[DO NOT MERGE] Test pandas 1.2 release candidate

[jorisvandenbossche]

Not to merge, but just to test the pandas release candidate on your CI.

[codecov]

Codecov Report

Merging #2392 (88f77a9) into master (ead5a52) will decrease coverage by 0.41%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2392      +/-   ##
==========================================
- Coverage   97.00%   96.59%   -0.42%     
==========================================
  Files          17       17              
  Lines        6074     6074              
==========================================
- Hits         5892     5867      -25     
- Misses        182      207      +25     

Impacted Files	Coverage Δ
seaborn/algorithms.py	86.36% <0.00%> (-13.64%)	⬇️
seaborn/utils.py	87.90% <0.00%> (-0.72%)	⬇️
seaborn/_core.py	97.64% <0.00%> (-0.63%)	⬇️
seaborn/categorical.py	97.51% <0.00%> (-0.49%)	⬇️
seaborn/axisgrid.py	95.15% <0.00%> (-0.40%)	⬇️

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[jorisvandenbossche]

All passing! (except for python 3.6, since pandas dropped support for that on the latest release) So closing this.

[mwaskom]

Awesome; thanks!