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ENH: Improved error message (issue 13084) #13187

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ENH: Improved error message (issue 13084) #13187

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5 changes: 3 additions & 2 deletions pandas/core/internals.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4161,8 +4161,9 @@ def construction_error(tot_items, block_shape, axes, e=None):
raise e
if block_shape[0] == 0:
raise ValueError("Empty data passed with indices specified.")
raise ValueError("Shape of passed values is {0}, indices imply {1}".format(
passed, implied))
raise ValueError("Shape of passed values is {0}, indices imply {1}.\n\
This means that at least one of the dataframes contains duplicate \
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this is not true at all, this error could be called for quite a few reasons. pls put the error more specifially (e.g. in merge.py) and test if there are duplicates.

index values.".format(passed, implied))


def create_block_manager_from_blocks(blocks, axes):
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