Fix flake8 in extra_ops and tests

- Resolve :215 of test_extra_ops to int explicitly Reason: numpy.uint64 + int -> numpy.float64 for some reason (numpy/numpy@3509704)

Fix flake8 in extra_ops and tests
15db4a1f · Christos Tsirigotis · 458a5ccd · 15db4a1f
--- a/theano/tensor/tests/test_extra_ops.py
+++ b/theano/tensor/tests/test_extra_ops.py