ENH: Update hypergeometric to match NumPy

[bashtage]

Update to reflect changes in NumPy

[pep8speaks]

Hello @bashtage! 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 2019-11-02 10:48:43 UTC

[codecov]

Codecov Report

Merging #189 into master will decrease coverage by 0.01%.
The diff coverage is 94.44%.

@@            Coverage Diff             @@
##           master     #189      +/-   ##
==========================================
- Coverage   94.61%   94.59%   -0.02%     
==========================================
  Files          38       38              
  Lines       10343    10348       +5     
  Branches      167      165       -2     
==========================================
+ Hits         9786     9789       +3     
- Misses        533      536       +3     
+ Partials       24       23       -1

Impacted Files	Coverage Δ
randomgen/tests/test_randomstate_regression.py	99.05% <ø> (ø)	⬆️
randomgen/tests/test_generator_117.py	63.63% <0%> (-0.7%)	⬇️
randomgen/tests/test_against_numpy.py	99.05% <100%> (-0.24%)	⬇️
randomgen/tests/test_randomstate.py	99.09% <100%> (ø)	⬆️
randomgen/tests/test_direct.py	98.7% <100%> (ø)	⬆️
...domgen/tests/test_generator_mt19937_regressions.py	100% <100%> (+0.96%)	⬆️
randomgen/tests/test_generator_mt19937.py	99.33% <100%> (ø)	⬆️
randomgen/generator.pyx	92.78% <100%> (+0.05%)	⬆️
randomgen/common.pyx	81.06% <0%> (-0.14%)	⬇️

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