Fixed PEP-8 formatting recommendations in setup.py

This fixes a series of warnings from the pep8 tool involving excess spaces
around operators, and closing bracket not matching visual indentation in
setup.py.

Testing Done:
Ran unit tests, and pep8.

Reviewed at https://reviews.reviewboard.org/r/6657/

setup.py

@@ -144,7 +144,7 @@ def run_tests(*args):
           'pillowfight',
           'pytz',
       ],
-      dependency_links = [
+      dependency_links=[
           "http://downloads.reviewboard.org/mirror/",
           download_url,
       ],
@@ -164,5 +164,4 @@ def run_tests(*args):
           "Programming Language :: Python",
           "Topic :: Software Development",
           "Topic :: Software Development :: Libraries :: Python Modules",
-      ]
-)
+      ])