Trying to refactor the completion stack finding.

jedi/utils.py

@@ -74,7 +74,7 @@ def setup_readline(namespace_module=__main__):
 
                     lines = common.splitlines(text)
                     position = (len(lines), len(lines[-1]))
-                    name = get_on_completion_name(lines, position)
+                    name = get_on_completion_name(interpreter._get_module(), position)
                     before = text[:len(text) - len(name)]
                     completions = interpreter.completions()
                 finally: