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BUG: Adds newline after info() call on empty dataframe #45498

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Merged
merged 5 commits into from
Jan 22, 2022
Merged

BUG: Adds newline after info() call on empty dataframe #45498

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f5372a7
Added newline, info() for empty dataframe
EzraBrauner Jan 20, 2022
c8ddb0a
Merge branch 'pandas-dev:main' into shiny-new-feature
EzraBrauner Jan 20, 2022
1bc2820
Added test
EzraBrauner Jan 20, 2022
cac2245
Merge branch 'shiny-new-feature' of https://github.com/EzraBrauner/pa…
EzraBrauner Jan 20, 2022
beecba7
Test change and whatsnew
EzraBrauner Jan 20, 2022
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2 changes: 1 addition & 1 deletion doc/source/whatsnew/v1.5.0.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -227,7 +227,7 @@ MultiIndex
I/O
^^^
- Bug in :meth:`DataFrame.to_stata` where no error is raised if the :class:`DataFrame` contains ``-np.inf`` (:issue:`45350`)
-
- Bug in :meth:`DataFrame.info` where a new line at the end of the output is omitted when called on an empty :class:`DataFrame` (:issue:`45494`)

Period
^^^^^^
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2 changes: 1 addition & 1 deletion pandas/io/formats/info.py
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Expand Up @@ -812,7 +812,7 @@ def _fill_empty_info(self) -> None:
"""Add lines to the info table, pertaining to empty dataframe."""
self.add_object_type_line()
self.add_index_range_line()
self._lines.append(f"Empty {type(self.data).__name__}")
self._lines.append(f"Empty {type(self.data).__name__}\n")

@abstractmethod
def _fill_non_empty_info(self) -> None:
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3 changes: 2 additions & 1 deletion pandas/tests/io/formats/test_info.py
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Expand Up @@ -29,6 +29,7 @@ def duplicate_columns_frame():


def test_info_empty():
# GH #45494
df = DataFrame()
buf = StringIO()
df.info(buf=buf)
Expand All @@ -37,7 +38,7 @@ def test_info_empty():
"""\
<class 'pandas.core.frame.DataFrame'>
Index: 0 entries
Empty DataFrame"""
Empty DataFrame\n"""
)
assert result == expected

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