Not altering it to pass flake8 since this is external code, we should
just whitelist it. Better yet, we should add it as a dependency and
remove the bundled version.

Do not try to pickle `method_descriptor` objects

improving debugprint for scan ops

Try to fix travis

Make test pass in float32

[TEST] fix buildbot tests

Make sure crossentropy op always raise error for negative index

Make sure the index array is contiguous before changing dtype

Class Unique 

[CRASH] Scan index error

Tutorial about NaNs

tutorial/using_gpu documentation fixes

Xeray master

Make local_dimshuffle_lift go through many nodes

Update do_nightly_build

[TESTS] fix buidbot tests errors