This should avoid SupportCodeErrors due to mismatching whitespace.
Add a python implementation of GpuGemv.
Fix the 0-dim test to use the proper op.
Use the proper way to init T_subtensor.
Make sure we don't try to optimize nodes that have a subclass of ours when doing fusion.
Try to make sure that the support code is not duplicated due to whitespace differences.
Add missing return.
Fix GpuSubtensor so that it covers all the cases properly.
Fix test that is searching for an error text.