Separate the python syntax tree stuff from the non python stuff.

jedi/api/keywords.py

@@ -5,6 +5,7 @@ from jedi._compatibility import is_py3, is_py35
 from jedi import common
 from jedi.evaluate.filters import AbstractNameDefinition
 from jedi.parser.python.tree import Leaf
+
 try:
     from pydoc_data import topics as pydoc_topics
 except ImportError: