THRIFT-3596 Better conformance to PEP8

This closes #832
diff --git a/lib/py/setup.py b/lib/py/setup.py
index 090544c..f57c1a1 100644
--- a/lib/py/setup.py
+++ b/lib/py/setup.py
@@ -9,7 +9,7 @@
 # "License"); you may not use this file except in compliance
 # with the License. You may obtain a copy of the License at
 #
-#	http://www.apache.org/licenses/LICENSE-2.0
+#   http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing,
 # software distributed under the License is distributed on an
@@ -24,7 +24,7 @@
 try:
     from setuptools import setup, Extension
 except:
-    from distutils.core import setup, Extension, Command
+    from distutils.core import setup, Extension
 
 from distutils.command.build_ext import build_ext
 from distutils.errors import CCompilerError, DistutilsExecError, DistutilsPlatformError
@@ -41,63 +41,66 @@
 else:
     ext_errors = (CCompilerError, DistutilsExecError, DistutilsPlatformError)
 
+
 class BuildFailed(Exception):
     pass
 
+
 class ve_build_ext(build_ext):
     def run(self):
         try:
             build_ext.run(self)
-        except DistutilsPlatformError as x:
+        except DistutilsPlatformError:
             raise BuildFailed()
 
     def build_extension(self, ext):
         try:
             build_ext.build_extension(self, ext)
-        except ext_errors as x:
+        except ext_errors:
             raise BuildFailed()
 
+
 def run_setup(with_binary):
     if with_binary:
         extensions = dict(
-            ext_modules = [
-                 Extension('thrift.protocol.fastbinary',
-                       sources = ['src/protocol/fastbinary.c'],
-                    include_dirs = include_dirs,
-                )
+            ext_modules=[
+                Extension('thrift.protocol.fastbinary',
+                          sources=['src/protocol/fastbinary.c'],
+                          include_dirs=include_dirs,
+                          )
             ],
             cmdclass=dict(build_ext=ve_build_ext)
         )
     else:
         extensions = dict()
 
-    setup(name = 'thrift',
-        version = '1.0.0-dev',
-        description = 'Python bindings for the Apache Thrift RPC system',
-        author = 'Thrift Developers',
-        author_email = 'dev@thrift.apache.org',
-        url = 'http://thrift.apache.org',
-        license = 'Apache License 2.0',
-        install_requires=['six>=1.7.2'],
-        packages = [
-            'thrift',
-            'thrift.protocol',
-            'thrift.transport',
-            'thrift.server',
-        ],
-        package_dir = {'thrift' : 'src'},
-        classifiers = [
-            'Development Status :: 5 - Production/Stable',
-            'Environment :: Console',
-            'Intended Audience :: Developers',
-            'Programming Language :: Python',
-            'Programming Language :: Python :: 2',
-            'Programming Language :: Python :: 3',
-            'Topic :: Software Development :: Libraries',
-            'Topic :: System :: Networking'
-        ],
-        **extensions
-    )
+    setup(name='thrift',
+          version='1.0.0-dev',
+          description='Python bindings for the Apache Thrift RPC system',
+          author='Thrift Developers',
+          author_email='dev@thrift.apache.org',
+          url='http://thrift.apache.org',
+          license='Apache License 2.0',
+          install_requires=['six>=1.7.2'],
+          packages=[
+              'thrift',
+              'thrift.protocol',
+              'thrift.transport',
+              'thrift.server',
+          ],
+          package_dir={'thrift': 'src'},
+          classifiers=[
+              'Development Status :: 5 - Production/Stable',
+              'Environment :: Console',
+              'Intended Audience :: Developers',
+              'Programming Language :: Python',
+              'Programming Language :: Python :: 2',
+              'Programming Language :: Python :: 3',
+              'Topic :: Software Development :: Libraries',
+              'Topic :: System :: Networking'
+          ],
+          **extensions
+          )
 
 try:
     with_binary = False