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2 changes: 1 addition & 1 deletion pandas-stubs/core/frame.pyi
Original file line number Diff line number Diff line change
Expand Up @@ -1874,7 +1874,7 @@ class DataFrame(NDFrame, OpsMixin):
def pct_change(
self,
periods: int = ...,
fill_method: _str = ...,
fill_method: _str | None = ...,
limit: int | None = ...,
freq=...,
**kwargs,
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5 changes: 5 additions & 0 deletions tests/test_frame.py
Original file line number Diff line number Diff line change
Expand Up @@ -2108,6 +2108,11 @@ def test_groupby_series_methods() -> None:
gb.nth(0).loc[1]


def test_dataframe_pct_change() -> None:
df = pd.DataFrame({"x": [1, 2, 2, 3, 3], "y": [10, 20, 30, 40, 50]})
df.pct_change(fill_method=None)


def test_indexslice_setitem():
df = pd.DataFrame(
{"x": [1, 2, 2, 3], "y": [1, 2, 3, 4], "z": [10, 20, 30, 40]}
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