Telling Pylint to allow slightly longer attribute names.

In this case, it's not trivial to put a # pylint: disable=invalid-name
at the end of the line, because it's a multiline statement, and this
bug exists in Pylint: pylint-dev/pylint#199

.pylintrc

@@ -134,10 +134,10 @@ const-rgx=(([A-Z_][A-Z0-9_]*)|(__.*__)|logger)$
 const-name-hint=(([A-Z_][A-Z0-9_]*)|(__.*__)|logger)$
 
 # Regular expression matching correct attribute names
-attr-rgx=[a-z][A-Za-z0-9]{2,30}$
+attr-rgx=[a-z][A-Za-z0-9]{2,33}$
 
 # Naming hint for attribute names
-attr-name-hint=[a-z][A-Za-z0-9]{2,30}$
+attr-name-hint=[a-z][A-Za-z0-9]{2,33}$
 
 # Regular expression matching correct argument names
 argument-rgx=[a-z][A-Za-z0-9]{2,30}$