pep8 fixes for kivy/metrics.py
pep8 fixes for kivy/parser.py
pep8 fix for kivy/resources.py
pep8 fixes for kivy/support.py
pep8 fixes for kivy/utils.py
pep8 fixes for kivy/vector.py
pep8 fixes for kivy/weakmethod.py
pep8 fixes for kivy/modules/__init__.py