core.py: PEP8 compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
exectest.py: PEP 8 compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
gleantest.py: PEP8 Compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
glsl_parser_test.py: Remove vim modesetting line

Another incorrect vim modesetting line is present in this file. This
patch removes it to prevent future pain.

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
glsl_parser_test.py: PEP8 Compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
log.py: PEP8 Compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
patterns.py: PEP8 compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
threads.py: PEP8 compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>
shader_test.py: PEP8 compliance

Signed-off-by: Dylan Baker <baker.dylan.c@gmail.com>