Make test_flake8 itself flake8-compliant...

theano/tests/test_flake8.py

@@ -38,7 +38,6 @@ whitelist_flake8 = [
     "tests/test_record.py",
     "tests/__init__.py",
     "tests/test_updates.py",
-    "tests/test_flake8.py",
     "tests/main.py",
     "tests/test_pickle_unpickle_theano_fn.py",
     "tests/test_determinism.py",
@@ -346,7 +345,7 @@ whitelist_flake8 = [
 ]
 
 
-def list_files(dir_path = theano.__path__[0], pattern = '*.py'):
+def list_files(dir_path=theano.__path__[0], pattern='*.py'):
     """
     List all files under theano's path.
     """
@@ -416,8 +415,9 @@ def check_all_files(dir_path=theano.__path__[0], pattern='*.py'):
             if fnmatch(f, pattern):
                 error_num = flake8.main.check_file(os.path.join(dir, f))
                 if error_num > 0:
-                    path = os.path.relpath(os.path.join(dir, f), theano.__path__[0])
-                    f_txt.write('"'+ path + '",\n')
+                    path = os.path.relpath(os.path.join(dir, f),
+                                           theano.__path__[0])
+                    f_txt.write('"' + path + '",\n')
     f_txt.close()