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TYP: misc typing fixes for pandas\core\frame.py #35990

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Merged
jbrockmendel merged 2 commits into from
Aug 31, 2020
Merged

TYP: misc typing fixes for pandas\core\frame.py #35990

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TYP: misc typing fixes for pandas\core\frame.py
simonjayhawkins Aug 30, 2020
4cdb048
correct issue number
simonjayhawkins Aug 30, 2020
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10 changes: 7 additions & 3 deletions pandas/core/frame.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1014,7 +1014,7 @@ def iterrows(self) -> Iterable[Tuple[Label, Series]]:
s = klass(v, index=columns, name=k)
yield k, s

def itertuples(self, index=True, name="Pandas"):
def itertuples(self, index: bool = True, name: Optional[str] = "Pandas"):
"""
Iterate over DataFrame rows as namedtuples.

Expand Down Expand Up @@ -1088,7 +1088,11 @@ def itertuples(self, index=True, name="Pandas"):
arrays.extend(self.iloc[:, k] for k in range(len(self.columns)))

if name is not None:
itertuple = collections.namedtuple(name, fields, rename=True)
# https://github.com/python/mypy/issues/9046
# error: namedtuple() expects a string literal as the first argument
itertuple = collections.namedtuple( # type: ignore[misc]
name, fields, rename=True
)
return map(itertuple._make, zip(*arrays))

# fallback to regular tuples
Expand Down Expand Up @@ -4591,7 +4595,7 @@ def set_index(
frame = self.copy()

arrays = []
names = []
names: List[Label] = []
if append:
names = list(self.index.names)
if isinstance(self.index, MultiIndex):
Expand Down