Pylint fix.

Author: T4rk1n

dash/development/base_component.py

@@ -2,12 +2,12 @@
 import copy
 import os
 import inspect
-from ._all_keywords import kwlist
-import keyword
 import abc
 import sys
 import six
 
+from ._all_keywords import kwlist
+
 
 # pylint: disable=no-init,too-few-public-methods
 class ComponentRegistry: