Code cleanup to conform to PEP8 style guide

setup.py

@@ -30,8 +30,8 @@ setup(
             'ckmseed=ckMseed.ckMseed:main',
         ],
     },
-    setup_requires = [],
     install_requires=['Pmw @ https://github.com/schrodinger/pmw-patched/archive/master.tar.gz'],
+    setup_requires=[],
     extras_require={
         'dev': [
             'pip',