Replace the diff parser imports with the modified path.

jedi/evaluate/compiled/mixed.py

@@ -6,7 +6,7 @@ import inspect
 import os
 
 from jedi import common
-from jedi.parser.diff import FastParser
+from jedi.parser.python.diff import FastParser
 from jedi.evaluate import compiled
 from jedi.cache import underscore_memoization
 from jedi.evaluate import imports

jedi/evaluate/imports.py

@@ -20,7 +20,7 @@ from jedi._compatibility import find_module, unicode, ImplicitNSInfo
 from jedi import debug
 from jedi import settings
 from jedi.common import source_to_unicode, unite
-from jedi.parser.diff import FastParser
+from jedi.parser.python.diff import FastParser
 from jedi.parser.python import tree
 from jedi.parser.utils import save_parser, load_parser, parser_cache
 from jedi.evaluate import sys_path