From 862137a3aeaa99515147d634828fbf35b5704e5a Mon Sep 17 00:00:00 2001
From: Brock <jbrockmendel@gmail.com>
Date: Thu, 27 Oct 2022 13:31:01 -0700
Subject: [PATCH 1/2] DEPR: non-keyword arguments

---
 doc/source/whatsnew/v2.0.0.rst                | 10 +++++++
 pandas/core/arrays/arrow/array.py             |  8 ++----
 pandas/core/arrays/base.py                    |  6 ++---
 pandas/core/arrays/categorical.py             | 13 ++++-----
 pandas/core/arrays/interval.py                | 10 +++----
 pandas/core/base.py                           |  2 +-
 pandas/core/frame.py                          |  9 +++----
 pandas/core/indexes/base.py                   |  4 +--
 pandas/core/resample.py                       |  3 +--
 pandas/core/series.py                         | 13 +++++----
 pandas/io/parsers/readers.py                  |  7 +++--
 pandas/tests/frame/methods/test_drop.py       | 12 ---------
 pandas/tests/frame/methods/test_dropna.py     | 12 ---------
 .../tests/frame/methods/test_reset_index.py   | 13 ---------
 pandas/tests/frame/methods/test_set_index.py  | 12 ---------
 pandas/tests/indexes/multi/test_duplicates.py | 13 ---------
 pandas/tests/indexes/test_base.py             | 14 ----------
 .../io/parser/common/test_common_basic.py     | 22 ---------------
 pandas/tests/io/parser/test_read_fwf.py       | 12 ---------
 pandas/tests/resample/test_deprecated.py      | 27 -------------------
 .../series/methods/test_drop_duplicates.py    | 13 ---------
 pandas/tests/series/methods/test_dropna.py    | 12 ---------
 .../tests/series/methods/test_reset_index.py  | 12 ---------
 23 files changed, 40 insertions(+), 219 deletions(-)

diff --git a/doc/source/whatsnew/v2.0.0.rst b/doc/source/whatsnew/v2.0.0.rst
index 252c444b2e60c..2cb77c14c1082 100644
--- a/doc/source/whatsnew/v2.0.0.rst
+++ b/doc/source/whatsnew/v2.0.0.rst
@@ -197,6 +197,13 @@ Removal of prior version deprecations/changes
 - Disallow passing non-round floats to :class:`Timestamp` with ``unit="M"`` or ``unit="Y"`` (:issue:`47266`)
 - Remove keywords ``convert_float`` and ``mangle_dupe_cols`` from :func:`read_excel` (:issue:`41176`)
 - Disallow passing non-keyword arguments to :func:`read_excel` except ``io`` and ``sheet_name`` (:issue:`34418`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.set_index` except ``keys`` (:issue:`41495`)
+- Disallow passing non-keyword arguments to :meth:`Resampler.interpolate` except ``method`` (:issue:`41699`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.reset_index` and :meth:`Series.reset_index` except ``level`` (:issue:`41496`)
+- Disallow passing non-keyword arguments to :meth:`DataFrame.dropna` and :meth:`Series.dropna` (:issue:`41504`)
+- Disallow passing non-keyword arguments to :meth:`ExtensionArray.argsort` (:issue:`46134`)
+- Disallow passing non-keyword arguments to :meth:`Categorical.sort_values` (:issue:`47618`)
+- Disallow passing non-keyword arguments to :meth:`Index.drop_duplicates` and :meth:`Series.drop_duplicates` (:issue:`41485`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.drop_duplicates` except for ``subset`` (:issue:`41485`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.sort_index` and :meth:`Series.sort_index` (:issue:`41506`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.interpolate` and :meth:`Series.interpolate` except for ``method`` (:issue:`41510`)
@@ -209,6 +216,9 @@ Removal of prior version deprecations/changes
 - Disallow passing non-keyword arguments to :func:`read_json` except for ``path_or_buf`` (:issue:`27573`)
 - Disallow passing non-keyword arguments to :func:`read_sas` except for ``filepath_or_buffer`` (:issue:`47154`)
 - Disallow passing non-keyword arguments to :func:`read_stata` except for ``filepath_or_buffer`` (:issue:`48128`)
+- Disallow passing non-keyword arguments to :func:`read_csv` except ``filepath_or_buffer`` (:issue:`41485`)
+- Disallow passing non-keyword arguments to :func:`read_table` except ``filepath_or_buffer`` (:issue:`41485`)
+- Disallow passing non-keyword arguments to :func:`read_fwf` except ``filepath_or_buffer`` (:issue:`44710`)
 - Disallow passing non-keyword arguments to :func:`read_xml` except for ``path_or_buffer`` (:issue:`45133`)
 - Disallow passing non-keyword arguments to :meth:`Series.mask` and :meth:`DataFrame.mask` except ``cond`` and ``other`` (:issue:`41580`)
 - Disallow passing non-keyword arguments to :meth:`DataFrame.to_stata` except for ``path`` (:issue:`48128`)
diff --git a/pandas/core/arrays/arrow/array.py b/pandas/core/arrays/arrow/array.py
index f18664915d015..945ae52c53047 100644
--- a/pandas/core/arrays/arrow/array.py
+++ b/pandas/core/arrays/arrow/array.py
@@ -20,10 +20,7 @@
     pa_version_under6p0,
     pa_version_under7p0,
 )
-from pandas.util._decorators import (
-    deprecate_nonkeyword_arguments,
-    doc,
-)
+from pandas.util._decorators import doc
 
 from pandas.core.dtypes.common import (
     is_array_like,
@@ -452,13 +449,12 @@ def isna(self) -> npt.NDArray[np.bool_]:
         """
         return self._data.is_null().to_numpy()
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def argsort(
         self,
+        *,
         ascending: bool = True,
         kind: SortKind = "quicksort",
         na_position: str = "last",
-        *args,
         **kwargs,
     ) -> np.ndarray:
         order = "ascending" if ascending else "descending"
diff --git a/pandas/core/arrays/base.py b/pandas/core/arrays/base.py
index 9758ca84d236b..60772cbcc30a1 100644
--- a/pandas/core/arrays/base.py
+++ b/pandas/core/arrays/base.py
@@ -48,7 +48,6 @@
     Appender,
     Substitution,
     cache_readonly,
-    deprecate_nonkeyword_arguments,
 )
 from pandas.util._exceptions import find_stack_level
 from pandas.util._validators import (
@@ -662,13 +661,12 @@ def _values_for_argsort(self) -> np.ndarray:
         # Note: this is used in `ExtensionArray.argsort/argmin/argmax`.
         return np.array(self)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def argsort(
         self,
+        *,
         ascending: bool = True,
         kind: SortKind = "quicksort",
         na_position: str = "last",
-        *args,
         **kwargs,
     ) -> np.ndarray:
         """
@@ -699,7 +697,7 @@ def argsort(
         # 1. _values_for_argsort : construct the values passed to np.argsort
         # 2. argsort : total control over sorting. In case of overriding this,
         #    it is recommended to also override argmax/argmin
-        ascending = nv.validate_argsort_with_ascending(ascending, args, kwargs)
+        ascending = nv.validate_argsort_with_ascending(ascending, (), kwargs)
 
         values = self._values_for_argsort()
         return nargsort(
diff --git a/pandas/core/arrays/categorical.py b/pandas/core/arrays/categorical.py
index 980e8b4936c4e..2d4c5808d3132 100644
--- a/pandas/core/arrays/categorical.py
+++ b/pandas/core/arrays/categorical.py
@@ -1802,10 +1802,8 @@ def check_for_ordered(self, op) -> None:
                 "Categorical to an ordered one\n"
             )
 
-    # error: Signature of "argsort" incompatible with supertype "ExtensionArray"
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
-    def argsort(  # type: ignore[override]
-        self, ascending: bool = True, kind: SortKind = "quicksort", **kwargs
+    def argsort(
+        self, *, ascending: bool = True, kind: SortKind = "quicksort", **kwargs
     ):
         """
         Return the indices that would sort the Categorical.
@@ -1875,9 +1873,12 @@ def sort_values(
     ) -> None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def sort_values(
-        self, inplace: bool = False, ascending: bool = True, na_position: str = "last"
+        self,
+        *,
+        inplace: bool = False,
+        ascending: bool = True,
+        na_position: str = "last",
     ) -> Categorical | None:
         """
         Sort the Categorical by category value returning a new
diff --git a/pandas/core/arrays/interval.py b/pandas/core/arrays/interval.py
index 2c15a7bbc88a7..2bc6c9174af81 100644
--- a/pandas/core/arrays/interval.py
+++ b/pandas/core/arrays/interval.py
@@ -43,10 +43,7 @@
 )
 from pandas.compat.numpy import function as nv
 from pandas.errors import IntCastingNaNError
-from pandas.util._decorators import (
-    Appender,
-    deprecate_nonkeyword_arguments,
-)
+from pandas.util._decorators import Appender
 
 from pandas.core.dtypes.cast import LossySetitemError
 from pandas.core.dtypes.common import (
@@ -796,16 +793,15 @@ def __lt__(self, other):
     def __le__(self, other):
         return self._cmp_method(other, operator.le)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def argsort(
         self,
+        *,
         ascending: bool = True,
         kind: SortKind = "quicksort",
         na_position: str = "last",
-        *args,
         **kwargs,
     ) -> np.ndarray:
-        ascending = nv.validate_argsort_with_ascending(ascending, args, kwargs)
+        ascending = nv.validate_argsort_with_ascending(ascending, (), kwargs)
 
         if ascending and kind == "quicksort" and na_position == "last":
             return np.lexsort((self.right, self.left))
diff --git a/pandas/core/base.py b/pandas/core/base.py
index 4b147dc619692..5e0694ea91360 100644
--- a/pandas/core/base.py
+++ b/pandas/core/base.py
@@ -1304,7 +1304,7 @@ def searchsorted(
             sorter=sorter,
         )
 
-    def drop_duplicates(self, keep: DropKeep = "first"):
+    def drop_duplicates(self, *, keep: DropKeep = "first"):
         duplicated = self._duplicated(keep=keep)
         # error: Value of type "IndexOpsMixin" is not indexable
         return self[~duplicated]  # type: ignore[index]
diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 2809aa9eaa37d..c54eb0bb57747 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -5835,10 +5835,10 @@ def set_index(
     ) -> None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "keys"])
     def set_index(
         self,
         keys,
+        *,
         drop: bool = True,
         append: bool = False,
         inplace: bool = False,
@@ -6080,10 +6080,10 @@ def reset_index(
     ) -> DataFrame | None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "level"])
     def reset_index(
         self,
         level: IndexLabel = None,
+        *,
         drop: bool = False,
         inplace: bool = False,
         col_level: Hashable = 0,
@@ -6376,9 +6376,9 @@ def dropna(
     ) -> None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def dropna(
         self,
+        *,
         axis: Axis = 0,
         how: AnyAll | NoDefault = no_default,
         thresh: int | NoDefault = no_default,
@@ -8500,9 +8500,8 @@ def groupby(
 
     @Substitution("")
     @Appender(_shared_docs["pivot"])
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def pivot(
-        self, index=lib.NoDefault, columns=lib.NoDefault, values=lib.NoDefault
+        self, *, index=lib.NoDefault, columns=lib.NoDefault, values=lib.NoDefault
     ) -> DataFrame:
         from pandas.core.reshape.pivot import pivot
 
diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 241e528fbdc74..7571525363447 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -67,7 +67,6 @@
 from pandas.util._decorators import (
     Appender,
     cache_readonly,
-    deprecate_nonkeyword_arguments,
     doc,
 )
 from pandas.util._exceptions import (
@@ -2894,8 +2893,7 @@ def unique(self: _IndexT, level: Hashable | None = None) -> _IndexT:
         result = super().unique()
         return self._shallow_copy(result)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
-    def drop_duplicates(self: _IndexT, keep: DropKeep = "first") -> _IndexT:
+    def drop_duplicates(self: _IndexT, *, keep: DropKeep = "first") -> _IndexT:
         """
         Return Index with duplicate values removed.
 
diff --git a/pandas/core/resample.py b/pandas/core/resample.py
index 9f9fdef089353..ee738b43a481b 100644
--- a/pandas/core/resample.py
+++ b/pandas/core/resample.py
@@ -46,7 +46,6 @@
 from pandas.util._decorators import (
     Appender,
     Substitution,
-    deprecate_nonkeyword_arguments,
     doc,
 )
 
@@ -881,11 +880,11 @@ def fillna(self, method, limit=None):
         """
         return self._upsample(method, limit=limit)
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "method"])
     @doc(NDFrame.interpolate, **_shared_docs_kwargs)
     def interpolate(
         self,
         method: QuantileInterpolation = "linear",
+        *,
         axis: Axis = 0,
         limit=None,
         inplace: bool = False,
diff --git a/pandas/core/series.py b/pandas/core/series.py
index 7d6932457ac29..9bfb2a0561532 100644
--- a/pandas/core/series.py
+++ b/pandas/core/series.py
@@ -1409,10 +1409,10 @@ def reset_index(
     ) -> None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self", "level"])
     def reset_index(
         self,
         level: IndexLabel = None,
+        *,
         drop: bool = False,
         name: Level = lib.no_default,
         inplace: bool = False,
@@ -2186,23 +2186,22 @@ def unique(self) -> ArrayLike:
 
     @overload
     def drop_duplicates(
-        self, keep: DropKeep = ..., *, inplace: Literal[False] = ...
+        self, *, keep: DropKeep = ..., inplace: Literal[False] = ...
     ) -> Series:
         ...
 
     @overload
-    def drop_duplicates(self, keep: DropKeep = ..., *, inplace: Literal[True]) -> None:
+    def drop_duplicates(self, *, keep: DropKeep = ..., inplace: Literal[True]) -> None:
         ...
 
     @overload
     def drop_duplicates(
-        self, keep: DropKeep = ..., *, inplace: bool = ...
+        self, *, keep: DropKeep = ..., inplace: bool = ...
     ) -> Series | None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def drop_duplicates(
-        self, keep: DropKeep = "first", inplace: bool = False
+        self, *, keep: DropKeep = "first", inplace: bool = False
     ) -> Series | None:
         """
         Return Series with duplicate values removed.
@@ -5687,9 +5686,9 @@ def dropna(
     ) -> None:
         ...
 
-    @deprecate_nonkeyword_arguments(version=None, allowed_args=["self"])
     def dropna(
         self,
+        *,
         axis: Axis = 0,
         inplace: bool = False,
         how: AnyAll | None = None,
diff --git a/pandas/io/parsers/readers.py b/pandas/io/parsers/readers.py
index abd1182214f5f..1f4c449fc03a1 100644
--- a/pandas/io/parsers/readers.py
+++ b/pandas/io/parsers/readers.py
@@ -40,7 +40,6 @@
 from pandas.util._decorators import (
     Appender,
     deprecate_kwarg,
-    deprecate_nonkeyword_arguments,
 )
 from pandas.util._exceptions import find_stack_level
 from pandas.util._validators import validate_bool_kwarg
@@ -864,7 +863,6 @@ def read_csv(
 
 
 @deprecate_kwarg(old_arg_name="mangle_dupe_cols", new_arg_name=None)
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["filepath_or_buffer"])
 @Appender(
     _doc_read_csv_and_table.format(
         func_name="read_csv",
@@ -877,6 +875,7 @@ def read_csv(
 )
 def read_csv(
     filepath_or_buffer: FilePath | ReadCsvBuffer[bytes] | ReadCsvBuffer[str],
+    *,
     sep: str | None | lib.NoDefault = lib.no_default,
     delimiter: str | None | lib.NoDefault = None,
     # Column and Index Locations and Names
@@ -1208,7 +1207,6 @@ def read_table(
 
 
 @deprecate_kwarg(old_arg_name="mangle_dupe_cols", new_arg_name=None)
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["filepath_or_buffer"])
 @Appender(
     _doc_read_csv_and_table.format(
         func_name="read_table",
@@ -1221,6 +1219,7 @@ def read_table(
 )
 def read_table(
     filepath_or_buffer: FilePath | ReadCsvBuffer[bytes] | ReadCsvBuffer[str],
+    *,
     sep: str | None | lib.NoDefault = lib.no_default,
     delimiter: str | None | lib.NoDefault = None,
     # Column and Index Locations and Names
@@ -1307,9 +1306,9 @@ def read_table(
     return _read(filepath_or_buffer, kwds)
 
 
-@deprecate_nonkeyword_arguments(version=None, allowed_args=["filepath_or_buffer"])
 def read_fwf(
     filepath_or_buffer: FilePath | ReadCsvBuffer[bytes] | ReadCsvBuffer[str],
+    *,
     colspecs: Sequence[tuple[int, int]] | str | None = "infer",
     widths: Sequence[int] | None = None,
     infer_nrows: int = 100,
diff --git a/pandas/tests/frame/methods/test_drop.py b/pandas/tests/frame/methods/test_drop.py
index 6e5b97af7c297..e6db7ec8ed3d7 100644
--- a/pandas/tests/frame/methods/test_drop.py
+++ b/pandas/tests/frame/methods/test_drop.py
@@ -510,18 +510,6 @@ def test_drop_with_duplicate_columns2(self):
         result = df2.drop("C", axis=1)
         tm.assert_frame_equal(result, expected)
 
-    def test_drop_pos_args_deprecation(self):
-        # https://github.com/pandas-dev/pandas/issues/41485
-        df = DataFrame({"a": [1, 2, 3]})
-        msg = (
-            r"In a future version of pandas all arguments of DataFrame\.drop "
-            r"except for the argument 'labels' will be keyword-only"
-        )
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = df.drop("a", 1)
-        expected = DataFrame(index=[0, 1, 2])
-        tm.assert_frame_equal(result, expected)
-
     def test_drop_inplace_no_leftover_column_reference(self):
         # GH 13934
         df = DataFrame({"a": [1, 2, 3]})
diff --git a/pandas/tests/frame/methods/test_dropna.py b/pandas/tests/frame/methods/test_dropna.py
index 62351aa89c914..8c4d9499e3676 100644
--- a/pandas/tests/frame/methods/test_dropna.py
+++ b/pandas/tests/frame/methods/test_dropna.py
@@ -231,18 +231,6 @@ def test_dropna_with_duplicate_columns(self):
         result = df.dropna(subset=["A", "C"], how="all")
         tm.assert_frame_equal(result, expected)
 
-    def test_dropna_pos_args_deprecation(self):
-        # https://github.com/pandas-dev/pandas/issues/41485
-        df = DataFrame({"a": [1, 2, 3]})
-        msg = (
-            r"In a future version of pandas all arguments of DataFrame\.dropna "
-            r"will be keyword-only"
-        )
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = df.dropna(1)
-        expected = DataFrame({"a": [1, 2, 3]})
-        tm.assert_frame_equal(result, expected)
-
     def test_set_single_column_subset(self):
         # GH 41021
         df = DataFrame({"A": [1, 2, 3], "B": list("abc"), "C": [4, np.NaN, 5]})
diff --git a/pandas/tests/frame/methods/test_reset_index.py b/pandas/tests/frame/methods/test_reset_index.py
index 37431bc291b76..30c033572335a 100644
--- a/pandas/tests/frame/methods/test_reset_index.py
+++ b/pandas/tests/frame/methods/test_reset_index.py
@@ -730,19 +730,6 @@ def test_reset_index_multiindex_nat():
     tm.assert_frame_equal(result, expected)
 
 
-def test_drop_pos_args_deprecation():
-    # https://github.com/pandas-dev/pandas/issues/41485
-    df = DataFrame({"a": [1, 2, 3]}).set_index("a")
-    msg = (
-        r"In a future version of pandas all arguments of DataFrame\.reset_index "
-        r"except for the argument 'level' will be keyword-only"
-    )
-    with tm.assert_produces_warning(FutureWarning, match=msg):
-        result = df.reset_index("a", False)
-    expected = DataFrame({"a": [1, 2, 3]})
-    tm.assert_frame_equal(result, expected)
-
-
 def test_reset_index_interval_columns_object_cast():
     # GH 19136
     df = DataFrame(
diff --git a/pandas/tests/frame/methods/test_set_index.py b/pandas/tests/frame/methods/test_set_index.py
index 4c39cf99f18ff..8e5f11840fbe5 100644
--- a/pandas/tests/frame/methods/test_set_index.py
+++ b/pandas/tests/frame/methods/test_set_index.py
@@ -704,15 +704,3 @@ def test_set_index_periodindex(self):
         tm.assert_index_equal(df.index, idx1)
         df = df.set_index(idx2)
         tm.assert_index_equal(df.index, idx2)
-
-    def test_drop_pos_args_deprecation(self):
-        # https://github.com/pandas-dev/pandas/issues/41485
-        df = DataFrame({"a": [1, 2, 3]})
-        msg = (
-            r"In a future version of pandas all arguments of DataFrame\.set_index "
-            r"except for the argument 'keys' will be keyword-only"
-        )
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = df.set_index("a", True)
-        expected = DataFrame(index=Index([1, 2, 3], name="a"))
-        tm.assert_frame_equal(result, expected)
diff --git a/pandas/tests/indexes/multi/test_duplicates.py b/pandas/tests/indexes/multi/test_duplicates.py
index 509daff1262b4..6c31caac4b42d 100644
--- a/pandas/tests/indexes/multi/test_duplicates.py
+++ b/pandas/tests/indexes/multi/test_duplicates.py
@@ -326,19 +326,6 @@ def test_duplicated_series_complex_numbers(dtype):
     tm.assert_series_equal(result, expected)
 
 
-def test_multi_drop_duplicates_pos_args_deprecation():
-    # GH#41485
-    idx = MultiIndex.from_arrays([[1, 2, 3, 1], [1, 2, 3, 1]])
-    msg = (
-        "In a future version of pandas all arguments of "
-        "Index.drop_duplicates will be keyword-only"
-    )
-    with tm.assert_produces_warning(FutureWarning, match=msg):
-        result = idx.drop_duplicates("last")
-    expected = MultiIndex.from_arrays([[2, 3, 1], [2, 3, 1]])
-    tm.assert_index_equal(expected, result)
-
-
 def test_midx_unique_ea_dtype():
     # GH#48335
     vals_a = Series([1, 2, NA, NA], dtype="Int64")
diff --git a/pandas/tests/indexes/test_base.py b/pandas/tests/indexes/test_base.py
index 698bec81e3630..523decba33b6e 100644
--- a/pandas/tests/indexes/test_base.py
+++ b/pandas/tests/indexes/test_base.py
@@ -1590,20 +1590,6 @@ def test_construct_from_memoryview(klass, extra_kwargs):
     tm.assert_index_equal(result, expected, exact=True)
 
 
-def test_drop_duplicates_pos_args_deprecation():
-    # GH#41485
-    idx = Index([1, 2, 3, 1])
-    msg = (
-        "In a future version of pandas all arguments of "
-        "Index.drop_duplicates will be keyword-only"
-    )
-    with tm.assert_produces_warning(FutureWarning, match=msg):
-        idx.drop_duplicates("last")
-        result = idx.drop_duplicates("last")
-    expected = Index([2, 3, 1])
-    tm.assert_index_equal(expected, result)
-
-
 def test_get_attributes_dict_deprecated():
     # https://github.com/pandas-dev/pandas/pull/44028
     idx = Index([1, 2, 3, 1])
diff --git a/pandas/tests/io/parser/common/test_common_basic.py b/pandas/tests/io/parser/common/test_common_basic.py
index 52d8abe76ecbc..af7ebc5e9555c 100644
--- a/pandas/tests/io/parser/common/test_common_basic.py
+++ b/pandas/tests/io/parser/common/test_common_basic.py
@@ -805,17 +805,6 @@ def test_read_csv_line_break_as_separator(kwargs, all_parsers):
         parser.read_csv(StringIO(data), **kwargs)
 
 
-def test_read_csv_posargs_deprecation(all_parsers):
-    # GH 41485
-    f = StringIO("a,b\n1,2")
-    parser = all_parsers
-    msg = (
-        "In a future version of pandas all arguments of read_csv "
-        "except for the argument 'filepath_or_buffer' will be keyword-only"
-    )
-    parser.read_csv_check_warnings(FutureWarning, msg, f, " ")
-
-
 @pytest.mark.parametrize("delimiter", [",", "\t"])
 def test_read_table_delim_whitespace_non_default_sep(all_parsers, delimiter):
     # GH: 35958
@@ -941,17 +930,6 @@ def test_short_multi_line(all_parsers):
     tm.assert_frame_equal(result, expected)
 
 
-def test_read_table_posargs_deprecation(all_parsers):
-    # https://github.com/pandas-dev/pandas/issues/41485
-    data = StringIO("a\tb\n1\t2")
-    parser = all_parsers
-    msg = (
-        "In a future version of pandas all arguments of read_table "
-        "except for the argument 'filepath_or_buffer' will be keyword-only"
-    )
-    parser.read_table_check_warnings(FutureWarning, msg, data, " ")
-
-
 def test_read_seek(all_parsers):
     # GH48646
     parser = all_parsers
diff --git a/pandas/tests/io/parser/test_read_fwf.py b/pandas/tests/io/parser/test_read_fwf.py
index d6d787df39dfa..3e451239dcd40 100644
--- a/pandas/tests/io/parser/test_read_fwf.py
+++ b/pandas/tests/io/parser/test_read_fwf.py
@@ -910,18 +910,6 @@ def test_skiprows_with_iterator():
         tm.assert_frame_equal(result, expected_frames[i])
 
 
-def test_skiprows_passing_as_positional_deprecated():
-    # GH#41485
-    data = """0
-1
-2
-"""
-    with tm.assert_produces_warning(FutureWarning, match="keyword-only"):
-        result = read_fwf(StringIO(data), [(0, 2)])
-    expected = DataFrame({"0": [1, 2]})
-    tm.assert_frame_equal(result, expected)
-
-
 def test_names_and_infer_colspecs():
     # GH#45337
     data = """X   Y   Z
diff --git a/pandas/tests/resample/test_deprecated.py b/pandas/tests/resample/test_deprecated.py
index 3aac7a961fa19..e1e042aae1447 100644
--- a/pandas/tests/resample/test_deprecated.py
+++ b/pandas/tests/resample/test_deprecated.py
@@ -278,30 +278,3 @@ def test_resample_base_with_timedeltaindex():
 
     tm.assert_index_equal(without_base.index, exp_without_base)
     tm.assert_index_equal(with_base.index, exp_with_base)
-
-
-def test_interpolate_posargs_deprecation():
-    # GH 41485
-    idx = pd.to_datetime(["1992-08-27 07:46:48", "1992-08-27 07:46:59"])
-    s = Series([1, 4], index=idx)
-
-    msg = (
-        r"In a future version of pandas all arguments of Resampler\.interpolate "
-        r"except for the argument 'method' will be keyword-only"
-    )
-
-    with tm.assert_produces_warning(FutureWarning, match=msg):
-        result = s.resample("3s").interpolate("linear", 0)
-
-    idx = pd.to_datetime(
-        [
-            "1992-08-27 07:46:48",
-            "1992-08-27 07:46:51",
-            "1992-08-27 07:46:54",
-            "1992-08-27 07:46:57",
-        ]
-    )
-    expected = Series([1.0, 1.0, 1.0, 1.0], index=idx)
-
-    expected.index._data.freq = "3s"
-    tm.assert_series_equal(result, expected)
diff --git a/pandas/tests/series/methods/test_drop_duplicates.py b/pandas/tests/series/methods/test_drop_duplicates.py
index c5cffa0c9fb0f..698430095b453 100644
--- a/pandas/tests/series/methods/test_drop_duplicates.py
+++ b/pandas/tests/series/methods/test_drop_duplicates.py
@@ -242,16 +242,3 @@ def test_drop_duplicates_categorical_bool_na(self, nulls_fixture):
             index=[0, 1, 4],
         )
         tm.assert_series_equal(result, expected)
-
-
-def test_drop_duplicates_pos_args_deprecation():
-    # GH#41485
-    s = Series(["a", "b", "c", "b"])
-    msg = (
-        "In a future version of pandas all arguments of "
-        "Series.drop_duplicates will be keyword-only"
-    )
-    with tm.assert_produces_warning(FutureWarning, match=msg):
-        result = s.drop_duplicates("last")
-    expected = Series(["a", "c", "b"], index=[0, 2, 3])
-    tm.assert_series_equal(expected, result)
diff --git a/pandas/tests/series/methods/test_dropna.py b/pandas/tests/series/methods/test_dropna.py
index 0dab9271bfee5..5bff7306fac33 100644
--- a/pandas/tests/series/methods/test_dropna.py
+++ b/pandas/tests/series/methods/test_dropna.py
@@ -101,15 +101,3 @@ def test_datetime64_tz_dropna(self):
         )
         assert result.dtype == "datetime64[ns, Asia/Tokyo]"
         tm.assert_series_equal(result, expected)
-
-    def test_dropna_pos_args_deprecation(self):
-        # https://github.com/pandas-dev/pandas/issues/41485
-        ser = Series([1, 2, 3])
-        msg = (
-            r"In a future version of pandas all arguments of Series\.dropna "
-            r"will be keyword-only"
-        )
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = ser.dropna(0)
-        expected = Series([1, 2, 3])
-        tm.assert_series_equal(result, expected)
diff --git a/pandas/tests/series/methods/test_reset_index.py b/pandas/tests/series/methods/test_reset_index.py
index e7340aaf376e5..9362b0b52a698 100644
--- a/pandas/tests/series/methods/test_reset_index.py
+++ b/pandas/tests/series/methods/test_reset_index.py
@@ -148,18 +148,6 @@ def test_reset_index_with_drop(self, series_with_multilevel_index):
         assert isinstance(deleveled, Series)
         assert deleveled.index.name == ser.index.name
 
-    def test_drop_pos_args_deprecation(self):
-        # https://github.com/pandas-dev/pandas/issues/41485
-        ser = Series([1, 2, 3], index=Index([1, 2, 3], name="a"))
-        msg = (
-            r"In a future version of pandas all arguments of Series\.reset_index "
-            r"except for the argument 'level' will be keyword-only"
-        )
-        with tm.assert_produces_warning(FutureWarning, match=msg):
-            result = ser.reset_index("a", False)
-        expected = DataFrame({"a": [1, 2, 3], 0: [1, 2, 3]})
-        tm.assert_frame_equal(result, expected)
-
     def test_reset_index_inplace_and_drop_ignore_name(self):
         # GH#44575
         ser = Series(range(2), name="old")

From 0043c919365c965641a68c2ff431dc741df06245 Mon Sep 17 00:00:00 2001
From: Brock <jbrockmendel@gmail.com>
Date: Thu, 27 Oct 2022 15:33:09 -0700
Subject: [PATCH 2/2] fix asv

---
 asv_bench/benchmarks/reshape.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/asv_bench/benchmarks/reshape.py b/asv_bench/benchmarks/reshape.py
index 05e12630d7540..171e4feb290cf 100644
--- a/asv_bench/benchmarks/reshape.py
+++ b/asv_bench/benchmarks/reshape.py
@@ -36,7 +36,7 @@ def setup(self):
         self.df = DataFrame(data)
 
     def time_reshape_pivot_time_series(self):
-        self.df.pivot("date", "variable", "value")
+        self.df.pivot(index="date", columns="variable", values="value")
 
 
 class SimpleReshape: