ENH: auto convert __doc__ to be format ready

Author: HH-MWB

pandas/core/indexing.py

@@ -90,7 +90,7 @@ class IndexingMixin:
 
     @property
     def iloc(self) -> "_iLocIndexer":
-        f"""
+        """
         Purely integer-location based indexing for selection by position.
 
         ``.iloc[]`` is primarily integer position based (from ``0`` to
@@ -123,9 +123,9 @@ def iloc(self) -> "_iLocIndexer":
 
         Examples
         --------
-        >>> mydict = [{{'a': 1, 'b': 2, 'c': 3, 'd': 4}},
-        ...           {{'a': 100, 'b': 200, 'c': 300, 'd': 400}},
-        ...           {{'a': 1000, 'b': 2000, 'c': 3000, 'd': 4000 }}]
+        >>> mydict = [{'a': 1, 'b': 2, 'c': 3, 'd': 4},
+        ...           {'a': 100, 'b': 200, 'c': 300, 'd': 400},
+        ...           {'a': 1000, 'b': 2000, 'c': 3000, 'd': 4000 }]
         >>> df = pd.DataFrame(mydict)
         >>> df
               a     b     c     d

pandas/util/_decorators.py

@@ -275,7 +275,8 @@ def wrapper(*args, **kwargs) -> Callable:
             elif hasattr(arg, "_docstr_template"):
                 templates.append(arg._docstr_template)  # type: ignore
             elif arg.__doc__:
-                templates.append(arg.__doc__)
+                doc_tmp = arg.__doc__.replace("{", "{{").replace("}", "}}")
+                templates.append(doc_tmp)
 
         wrapper._docstr_template = "".join(dedent(t) for t in templates)  # type: ignore
         wrapper.__doc__ = wrapper._docstr_template.format(**kwargs)  # type: ignore