splitlines and source_to_unicode are utils of parso.

jedi/evaluate/imports.py

@@ -16,14 +16,16 @@ import os
 import pkgutil
 import sys
 
-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 parso.python import parse
 from parso.python import tree
 from parso.tree import search_ancestor
 from parso.cache import parser_cache
+from parso.utils import source_to_unicode
+
+from jedi._compatibility import find_module, unicode, ImplicitNSInfo
+from jedi import debug
+from jedi import settings
+from jedi.common import unite
 from jedi.evaluate import sys_path
 from jedi.evaluate import helpers
 from jedi.evaluate import compiled