[SciPy-Dev] Help with PR 8681: import

[Christoph Baumgarten]

Hi,

I would like to ask for help with PR 8681.

I want to use the function rvs_ratio_unif from stats/stats.py to generate
random variates in stats/_continuous_distributions.py

In_continuous_distributions.py, I use "from . import stats" which does not
work with 2.7 and 3.4, I assume it is a circular reference from the error
message below:


___________ ERROR collecting scipy/signal/tests/test_array_tools.py
____________
ImportError while importing test module
'/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/signal/tests/test_array_tools.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/signal/__init__.py:329:
in <module>
    from ._peak_finding import *
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/signal/_peak_finding.py:11:
in <module>
    from scipy.stats import scoreatpercentile
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/stats/__init__.py:348:
in <module>
    from .stats import *
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/stats/stats.py:175:
in <module>
    from . import distributions
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/stats/distributions.py:13:
in <module>
    from . import _continuous_distns
/home/travis/virtualenv/python3.4.6/lib/python3.4/site-packages/scipy/stats/_continuous_distns.py:18:
in <module>
    from . import stats
E   ImportError: cannot import name 'stats'

Thanks

Christoph
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