Cleanup: pep8

tests/python/opengl_draw_tests.py

@@ -8,6 +8,7 @@ import shutil
 import subprocess
 import sys
 
+
 def screenshot():
     import bpy
 
@@ -19,6 +20,7 @@ def screenshot():
 
     bpy.ops.wm.quit_blender()
 
+
 # When run from inside Blender, take screenshot and exit.
 try:
     import bpy
@@ -93,5 +95,6 @@ def main():
 
     sys.exit(not ok)
 
+
 if __name__ == "__main__":
     main()