BUG: pivot_table dropna=False drops columns/index names

[OXPHOS]

• closes crosstab dropna=False breaks columns.names #12133
• closes BUG: crosstab with margins=True and dropna=False #12642, closes FIX: pivot_table dropna=False drops index level names #12327 (replace PR)
• tests added / passed
• passes git diff upstream/master | flake8 --diff
• whatsnew entry

Bug fixed from pull request #12327.

[jreback]

pd.crosstab (and same below)

[OXPHOS]

@jreback Thanks for the comments. But I don't think this is the correct way to cherry pick commits..?? I'll learn some github basics and fix this thing within next two days.

[jreback]

@OXPHOS it looks ok. you prob want to squash commits down though to make it easier to work with (e.g. squash yours to a single one, his the same).

[OXPHOS]

Cool. Got it. Thanks!

On Thu, Mar 17, 2016 at 12:19 PM, Jeff Reback notifications@github.com
wrote:

@OXPHOS https://github.com/OXPHOS it looks ok. you prob want to squash
commits down though to make it easier to work with (e.g. squash yours to a
single one, his the same).

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#12650 (comment)

[OXPHOS]

@jreback ready to merge : )

[jreback]

add this to the whatsnew (as a separate bug fix line)

[jreback]

thanks @OXPHOS