* add version check in wrappers
* fix assersion
* use digital version for version comparison
* fix unit tests
* reformat
* fall back to compare the first two version
* fix unittest
* fix unittest
* fix unit test
* clean unnecessary change
* Mv wrappers into bricks and use wrappers in registry
* resolve import issues
* fix import issues
* set nn op forward to torch 1.6.1
* fix CI bug and add warning
* Fix CI by using patch mock
* mv warnings inside deprecated module's initialization