Fix flake8 errors

semver.py

@@ -103,7 +103,7 @@ VersionInfo = collections.namedtuple(
 
 # Only change it for Python > 3 as it is readonly
 # for version 2
-if sys.version_info > (3,0):
+if sys.version_info > (3, 0):
     VersionInfo.__doc__ = """
 :param int major: version when you make incompatible API changes.
 :param int minor: version when you add functionality in

setup.py

@@ -69,6 +69,7 @@ def read_file(filename):
     with open(join(dirname(__file__), filename)) as f:
         return f.read()
 
+
 setup(
     name=package.__name__,
     version=package.__version__,