Update .pylintrc

pylintrc

@@ -94,7 +94,7 @@ max-nested-blocks=5
 
 # List of additional names supposed to be defined in builtins. Remember that
 # you should avoid to define new builtins when possible.
-additional-builtins=_
+additional-builtins=
 
 # Tells whether unused global variables should be treated as a violation.
 allow-global-unused-variables=yes