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Partial Revert "ENH: infer freq in timedelta_range (#32377)" #36595

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Merged
merged 10 commits into from
Sep 26, 2020
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Partial Revert "ENH: infer freq in timedelta_range (#32377)" #36595

merged 10 commits into from
Sep 26, 2020

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simonjayhawkins
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@simonjayhawkins simonjayhawkins commented Sep 24, 2020 •
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closes #35897

maybe alternative to #36582 if no changes since #32377 now fail (not tested locally)

cc @phofl @jbrockmendel

@simonjayhawkins simonjayhawkins added this to the 1.1.3 milestone Sep 24, 2020
@simonjayhawkins simonjayhawkins added Timedelta Timedelta data type Regression Functionality that used to work in a prior pandas version labels Sep 24, 2020
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maybe alternative to #36582 if no changes since #32377 now fail (not tested locally)

looks like maybe just a doctest added since.

the release note will need to explain that the enhancement has been reverted, so a proper fix maybe more preferable.

will leave this a draft for now.

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LGTM

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jreback commented Sep 24, 2020

@simonjayhawkins yep looks good here too; if you can add a release note and merge master; ping on green (and you are in draft status)

@jbrockmendel jbrockmendel mentioned this pull request Sep 25, 2020
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@jorisvandenbossche jorisvandenbossche modified the milestones: 1.1.3, 1.2 Sep 25, 2020
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pep8speaks commented Sep 25, 2020 •
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Hello @simonjayhawkins! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

There are currently no PEP 8 issues detected in this Pull Request. Cheers! 🍻

Comment last updated at 2020-09-25 18:36:20 UTC

@simonjayhawkins simonjayhawkins marked this pull request as ready for review September 25, 2020 10:37
@simonjayhawkins simonjayhawkins mentioned this pull request Sep 25, 2020
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ci restarted

=========================== short test summary info ===========================
FAILED pandas/tests/plotting/test_groupby.py::TestDataFrameGroupByPlots::test_series_groupby_plotting_nominally_works
= 1 failed, 75523 passed, 1809 skipped, 1165 xfailed, 67 warnings in 1223.71s (0:20:23) =

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@simonjayhawkins yep looks good here too; if you can add a release note and merge master; ping on green (and you are in draft status)

@jreback green

jbrockmendel
jbrockmendel reviewed Sep 25, 2020
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pandas/core/arrays/timedeltas.py Outdated
if freq.nanos == 0 and self.freq.nanos != 0:
# e.g. if self.freq is Nano(1) then dividing by 2
# rounds down to zero
freq = None
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is reverting this necessary? im surprised there isnt a test that hits it

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no idea. maybe added to stop failing tests with inferred freq?

@jreback jreback merged commit 8142651 into pandas-dev:master Sep 26, 2020
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jreback commented Sep 26, 2020

3rd time the charm, thanks @simonjayhawkins

@simonjayhawkins simonjayhawkins deleted the revert-infer branch September 26, 2020 08:35
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@meeseeksdev backport 1.1.x

meeseeksmachine pushed a commit to meeseeksmachine/pandas that referenced this pull request Sep 26, 2020
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Backport PR pandas-dev#36595: Partial Revert "ENH: infer freq in time…
020db8d 
…delta_range (pandas-dev#32377)"
@meeseeksmachine meeseeksmachine mentioned this pull request Sep 26, 2020
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simonjayhawkins added a commit that referenced this pull request Sep 26, 2020
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Backport PR #36595: Partial Revert "ENH: infer freq in timedelta_range (
f953112 
#32377)" (#36659)

Co-authored-by: Simon Hawkins <[email protected]>
kesmit13 pushed a commit to kesmit13/pandas that referenced this pull request Nov 2, 2020
@simonjayhawkins
Partial Revert "ENH: infer freq in timedelta_range (pandas-dev#32377)" (
d60bea8 
pandas-dev#36595)
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Regression in pandas 1.1.0: no longer allows adding a timestamp to timedelta range to create a datetime range.
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