test for #424, issues with form feeds

test/test_parser/test_user_context.py

@@ -0,0 +1,6 @@
+import jedi
+
+
+def test_form_feed_characters():
+    s = "\f\nclass Test(object):\n    pass"
+    jedi.Script(s, line=2, column=18).call_signatures()