BUG: Sync upstream bug fixes

[bashtage]

Sync with 1.19 bug fixes

[pep8speaks]

Hello @bashtage! Thanks for updating this PR. We checked the lines you've touched for PEP 8 issues, and found:

• In the file randomgen/tests/test_generator_117.py:

Line 279:1: E302 expected 2 blank lines, found 1

Comment last updated at 2020-06-03 21:28:06 UTC

[codecov]

Codecov Report

Merging #201 into master will decrease coverage by 0.01%.
The diff coverage is 96.00%.

@@            Coverage Diff             @@
##           master     #201      +/-   ##
==========================================
- Coverage   98.12%   98.10%   -0.02%     
==========================================
  Files          40       41       +1     
  Lines       10436    10498      +62     
  Branches      167      169       +2     
==========================================
+ Hits        10240    10299      +59     
- Misses        173      176       +3     
  Partials       23       23              

Impacted Files	Coverage Δ
randomgen/mtrand.pyx	99.64% <71.42%> (-0.36%)	⬇️
randomgen/generator.pyx	98.92% <87.50%> (-0.14%)	⬇️
randomgen/tests/test_generator_117.py	100.00% <100.00%> (ø)
randomgen/tests/test_recent_numpy_changes.py	100.00% <100.00%> (ø)

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