I'm sorry, but an uncaught exception occurred.
While running game code:
  File "renpy/common/00action_file.rpy", line 382, in __call__
AttributeError: 'module' object has no attribute 'HIGHEST_PROTOCOL'
-- Full Traceback ------------------------------------------------------------
Full traceback:
  File "_layout/screen_load_save.rpymc", line 35, in script
  File "renpy/ast.py", line 923, in execute
  File "renpy/python.py", line 2235, in py_exec_bytecode
  File "renpy/common/_layout/screen_load_save.rpym", line 35, in <module>
  File "renpy/ui.py", line 298, in interact
  File "renpy/display\core.py", line 3276, in interact
  File "renpy/display\core.py", line 4110, in interact_core
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\screen.py", line 726, in event
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\layout.py", line 1297, in event
  File "renpy/display\layout.py", line 273, in event
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\layout.py", line 1297, in event
  File "renpy/display\layout.py", line 273, in event
  File "renpy/display\layout.py", line 1090, in event
  File "renpy/display\layout.py", line 273, in event
  File "renpy/display\behavior.py", line 979, in event
  File "renpy/display\behavior.py", line 914, in handle_click
  File "renpy/display\behavior.py", line 329, in run
  File "renpy/common/00action_file.rpy", line 382, in __call__
  File "renpy/loadsave.py", line 415, in save
  File "renpy/loadsave.py", line 401, in save
  File "renpy/loadsave.py", line 49, in dump
AttributeError: 'module' object has no attribute 'HIGHEST_PROTOCOL'