REF: make normalize_i8_timestamps cpdef #34476
Merged
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there's a tiny perf bump, but it all comes from doing
own_tz = self.tzinfoup-front instead of accessingself.tzmultiple times withinTimestamp.normalize. With just the cimport, this is actually slightly slower, which is something of a mystery.The main upside is that we now only cimport from libconversion, which im hopeful will make some other circular-imports easier to simplify.the perf improvement