scipy/scipy — pull request #2571 by bburlo (2013-06-16 13:38:19+00:00)
Title: [stats] a couple of fixes in stats.distributions

Just a couple trivialities: clean up duplicate imports (`import numpy as np; import numpy` etc), fix a typo in a docstring example (are we going to inherit a poisson distribution from `rv_continuous`?), replace `math.sqrt` by `numpy.sqrt`.