Nail pep8 dependencies to 1.0.1.
Nail pep8 dependencies to 1.0.1.

Nails the pep8 deps for tox and test-requires to 1.0.1.
Fixes an issues causing pep8 failures due to a new pep8 release.

Change-Id: I30be4909f052c29834afbfddba6007045afa519b

n0ano/gantt,n0ano/gantt