BUG : Fixed a comparison type. value == None should be value is None as None is a type of object REF : Removed blank lines
BUG : Fixed a comparison type. value == None should be value is None as None is a type of object
REF : Removed blank lines


Former-commit-id: a8423ec246b8537f783ce93b4d433df6530581f0 [formerly 223aacbd9b3b593337800fd58bdb65089a88b1c8]
Former-commit-id: 5a025bc2321c5e6a51399cbebc373d2ab50e1c77
Former-commit-id: b79f52ca8c09d79508428922507a8df2f9cecb15
neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox,neuropoly/spinalcordtoolbox