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PERF: Fix quantile perf regression #35101

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Merged
merged 2 commits into from
Jul 3, 2020
Merged

PERF: Fix quantile perf regression #35101

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b4ce575
PERF: Fix quantile perf regression
TomAugspurger Jul 2, 2020
408c2db
Update _validators.py
TomAugspurger Jul 3, 2020
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11 changes: 5 additions & 6 deletions pandas/util/_validators.py
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Original file line number Diff line number Diff line change
Expand Up @@ -371,14 +371,13 @@ def validate_percentile(q: Union[float, Iterable[float]]) -> np.ndarray:
ValueError if percentiles are not in given interval([0, 1]).
"""
q_arr = np.asarray(q)
msg = (
"percentiles should all be in the interval [0, 1]."
f"Try {q_arr / 100.0} instead."
)
# Don't change this to an f-string. The string formatting
# is too expensive for cases where we don't need it.
msg = "percentiles should all be in the interval [0, 1]. Try {} instead."
if q_arr.ndim == 0:
if not 0 <= q_arr <= 1:
raise ValueError(msg)
raise ValueError(msg.format(q_arr / 100.0))
else:
if not all(0 <= qs <= 1 for qs in q_arr):
raise ValueError(msg)
raise ValueError(msg.format(q_arr / 100.0))
return q_arr