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PERF: fix regression in tz_convert_from_utc #38074

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Merged
jreback merged 1 commit into from
Nov 26, 2020
Merged

PERF: fix regression in tz_convert_from_utc #38074

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6 changes: 3 additions & 3 deletions pandas/_libs/tslibs/tzconversion.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -426,7 +426,7 @@ def tz_convert_from_utc(const int64_t[:] vals, tzinfo tz):
int64 ndarray of converted
"""
cdef:
int64_t[:] converted
const int64_t[:] converted

if len(vals) == 0:
return np.array([], dtype=np.int64)
Expand All @@ -437,7 +437,7 @@ def tz_convert_from_utc(const int64_t[:] vals, tzinfo tz):

@cython.boundscheck(False)
@cython.wraparound(False)
cdef int64_t[:] _tz_convert_from_utc(const int64_t[:] vals, tzinfo tz):
cdef const int64_t[:] _tz_convert_from_utc(const int64_t[:] vals, tzinfo tz):
"""
Convert the given values (in i8) either to UTC or from UTC.

Expand All @@ -459,7 +459,7 @@ cdef int64_t[:] _tz_convert_from_utc(const int64_t[:] vals, tzinfo tz):
str typ

if is_utc(tz):
converted = vals.copy()
return vals
elif is_tzlocal(tz):
converted = np.empty(n, dtype=np.int64)
for i in range(n):
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