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ENH: Use context manager to suppress nan-categorical warning

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Ana Ruelas
2017-06-02 12:00:04 -04:00
parent ff1c673a9d
commit ad3c72a8fb
1 changed files with 4 additions and 3 deletions
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zipline/utils/pandas_utils.py
+4 -3
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@@ -258,10 +258,11 @@ def categorical_df_concat(df_list, inplace=False):
new_categories = sorted(
set().union(
*(frame[col].cat.categories for frame in df_list)
) - {None}
)
)
for df in df_list:
df[col].cat.set_categories(new_categories, inplace=True)
with ignore_pandas_nan_categorical_warning():
for df in df_list:
df[col].cat.set_categories(new_categories, inplace=True)
return pd.concat(df_list)