Fix some issues with backslashes.

test/normalizer_issue_files/E12_not_first.py

@@ -54,8 +54,8 @@ a = (123,
 
 if start[1] > end_col and not (
         over_indent == 4 and indent_next):
-    return(0, "E121 continuation line over-"
-           "indented for visual indent")
+    return (0, "E121 continuation line over-"
+            "indented for visual indent")
 
 
 print "OK", ("visual",
@@ -192,7 +192,7 @@ fooff(aaaa,
 #
 
 if bar:
-    return(
+    return (
         start, 'E121 lines starting with a '
         'closing bracket should be indented '
         "to match that of the opening "