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DataFrame.drop Raises KeyError definition #25474

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Feb 28, 2019
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DataFrame.drop Raises KeyError definition #25474

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d714c5d
Correct Raises in DataFrame.drop documentation
MaxVanDeursen Feb 28, 2019
7a46752
Fix linting errors in DataFrame.drop documentation
MaxVanDeursen Feb 28, 2019
b0d8957
Fix changes by left feedback
MaxVanDeursen Feb 28, 2019
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14 changes: 10 additions & 4 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3797,7 +3797,12 @@ def drop(self, labels=None, axis=0, index=None, columns=None,
axis : {0 or 'index', 1 or 'columns'}, default 0
Whether to drop labels from the index (0 or 'index') or
columns (1 or 'columns').
index, columns : single label or list-like
index : single label or list-like
Alternative to specifying axis (``labels, axis=0``
is equivalent to ``index=labels``).

.. versionadded:: 0.21.0
columns : single label or list-like
Alternative to specifying axis (``labels, axis=1``
is equivalent to ``columns=labels``).

Expand All @@ -3813,11 +3818,12 @@ def drop(self, labels=None, axis=0, index=None, columns=None,
Returns
-------
DataFrame
DataFrame without the removed index or column labels.

Raises
------
KeyError
If none of the labels are found in the selected axis
If any of the labels is not found in the selected axis.

See Also
--------
Expand All @@ -3830,7 +3836,7 @@ def drop(self, labels=None, axis=0, index=None, columns=None,

Examples
--------
>>> df = pd.DataFrame(np.arange(12).reshape(3,4),
>>> df = pd.DataFrame(np.arange(12).reshape(3, 4),
... columns=['A', 'B', 'C', 'D'])
>>> df
A B C D
Expand Down Expand Up @@ -3867,7 +3873,7 @@ def drop(self, labels=None, axis=0, index=None, columns=None,
>>> df = pd.DataFrame(index=midx, columns=['big', 'small'],
... data=[[45, 30], [200, 100], [1.5, 1], [30, 20],
... [250, 150], [1.5, 0.8], [320, 250],
... [1, 0.8], [0.3,0.2]])
... [1, 0.8], [0.3, 0.2]])
>>> df
big small
lama speed 45.0 30.0
Expand Down