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TYP: typing refactor mypy fix #39812

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Feb 15, 2021
Merged

TYP: typing refactor mypy fix #39812

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7 changes: 3 additions & 4 deletions pandas/io/formats/style.py
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Original file line number Diff line number Diff line change
Expand Up @@ -158,13 +158,12 @@ def __init__(
uuid_len: int = 5,
):
# validate ordered args
if not isinstance(data, (pd.Series, pd.DataFrame)):
raise TypeError("``data`` must be a Series or DataFrame")
if data.ndim == 1:
if isinstance(data, pd.Series):
data = data.to_frame()
if not isinstance(data, DataFrame):
raise TypeError("``data`` must be a Series or DataFrame")
if not data.index.is_unique or not data.columns.is_unique:
raise ValueError("style is not supported for non-unique indices.")
assert isinstance(data, DataFrame)
self.data: DataFrame = data
self.index: pd.Index = data.index
self.columns: pd.Index = data.columns
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