Fix a goto case with nested pyi files

jedi/inference/__init__.py

@@ -107,12 +107,9 @@ class InferenceState(object):
 
         self.reset_recursion_limitations()
 
-    def import_module(self, import_names, parent_module_value=None,
-                      sys_path=None, prefer_stubs=True):
-        if sys_path is None:
-            sys_path = self.get_sys_path()
-        return imports.import_module(self, import_names, parent_module_value,
-                                     sys_path, prefer_stubs=prefer_stubs)
+    def import_module(self, import_names, sys_path=None, prefer_stubs=True):
+        return imports.import_module_by_names(
+            self, import_names, sys_path, prefer_stubs=prefer_stubs)
 
     @staticmethod
     @plugin_manager.decorate()