[scikit-learn] Error random_state parameter changed by estimator

[Manoj Karthick]

I am working on adding a new estimator to the scikit-learn library, but the make command always exits with the below error message:

AssertionError: Estimator XYZ should not change or mutate  the parameter random_state from 0 to <mtrand.RandomState object at 0x1a25da9e10> during fit.

Can you help me understand what the issue is?

Error log:

self = <sklearn.utils._unittest_backport.TestCase testMethod=__init__>
msg = ‘Estimator XYZ should not change or mutate  the parameter random_state from 0 to <mtrand.RandomState object at 0x1a25da9e10> during fit.'

    def fail(self, msg=None):
        """Fail immediately, with the given message."""
>       raise self.failureException(msg)
E       AssertionError: Estimator XYZ should not change or mutate  the parameter random_state from 0 to <mtrand.RandomState object at 0x1a25da9e10> during fit.

msg        = 'Estimator XYZ should not change or mutate  the parameter random_state from 0 to <mtrand.RandomState object at 0x1a25da9e10> during fit.'
self       = <sklearn.utils._unittest_backport.TestCase testMethod=__init__>


Thanks in advance,
Manoj Karthick Selva Kumar
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/scikit-learn/attachments/20180330/1c582f56/attachment.html>