Linting.

Author: domdfcoding

tests/test_main_/test_main_help.txt

@@ -4,8 +4,8 @@ Usage: main [OPTIONS] FILENAME
 
   Exit codes:
 
-    0: The file already contains a '__all__' declaration or has no function or class definitions
-    1: A '__all__' declaration. was added to the file.
+    0: The file already contains a '__all__' declaration or has no function or class definitions.
+    1: A '__all__' declaration was added to the file.
     4: A file could not be parsed due to a syntax error.
     5: Bitwise OR of 1 and 4.