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f strings in core/series #30025

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Merged
merged 4 commits into from
Dec 5, 2019
Merged

f strings in core/series #30025

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50b261c
f strings in core/series
donehower Dec 4, 2019
81a5503
Update pandas/core/series.py
donehower Dec 4, 2019
5812f54
Update pandas/core/series.py
donehower Dec 4, 2019
961eaa7
Merge remote-tracking branch 'upstream/master' into firstcommit
donehower Dec 4, 2019
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16 changes: 8 additions & 8 deletions pandas/core/series.py
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Original file line number Diff line number Diff line change
Expand Up @@ -104,9 +104,9 @@ def _coerce_method(converter):
def wrapper(self):
if len(self) == 1:
return converter(self.iloc[0])
raise TypeError("cannot convert the series to {0}".format(str(converter)))
raise TypeError(f"cannot convert the series to {converter}")

wrapper.__name__ = "__{name}__".format(name=converter.__name__)
wrapper.__name__ = f"__{converter.__name__}__"
return wrapper


Expand Down Expand Up @@ -274,8 +274,8 @@ def __init__(
try:
if len(index) != len(data):
raise ValueError(
"Length of passed values is {val}, "
"index implies {ind}".format(val=len(data), ind=len(index))
f"Length of passed values is {len(data)}, "
f"index implies {len(index)}."
)
except TypeError:
pass
Expand Down Expand Up @@ -1464,7 +1464,7 @@ def items(self):
--------
>>> s = pd.Series(['A', 'B', 'C'])
>>> for index, value in s.items():
... print("Index : {}, Value : {}".format(index, value))
... print(f"Index : {index}, Value : {value}")
Index : 0, Value : A
Index : 1, Value : B
Index : 2, Value : C
Expand Down Expand Up @@ -2171,7 +2171,7 @@ def corr(self, other, method="pearson", min_periods=None):
raise ValueError(
"method must be either 'pearson', "
"'spearman', 'kendall', or a callable, "
"'{method}' was supplied".format(method=method)
f"'{method}' was supplied"
)

def cov(self, other, min_periods=None):
Expand Down Expand Up @@ -2887,7 +2887,7 @@ def _try_kind_sort(arr):
sortedIdx[n:] = idx[good][argsorted]
sortedIdx[:n] = idx[bad]
else:
raise ValueError(f"invalid na_position: {repr(na_position)}")
raise ValueError(f"invalid na_position: {na_position}")

result = self._constructor(arr[sortedIdx], index=self.index[sortedIdx])

Expand Down Expand Up @@ -3779,7 +3779,7 @@ def _reduce(
elif isinstance(delegate, np.ndarray):
if numeric_only:
raise NotImplementedError(
"Series.{0} does not implement numeric_only.".format(name)
f"Series.{name} does not implement numeric_only."
)
with np.errstate(all="ignore"):
return op(delegate, skipna=skipna, **kwds)
Expand Down