RuntimeError: This class cannot be instantiated from Python

[ddaisy66]

When I run it, I get this error:

(new) python -m gfootball.play_game --action_set=full
Traceback (most recent call last):
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/runpy.py", line 193, in _run_module_as_main
"main", mod_spec)
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/runpy.py", line 85, in _run_code
exec(code, run_globals)
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/gfootball/play_game.py", line 68, in
app.run(main)
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/absl/app.py", line 308, in run
_run_main(main, args)
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/absl/app.py", line 254, in _run_main
sys.exit(main(argv))
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/gfootball/play_game.py", line 50, in main
'render': True
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/gfootball/env/config.py", line 98, in init
self.NewScenario()
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/gfootball/env/config.py", line 168, in NewScenario
self._scenario_cfg = scenario_builder.Scenario(self).ScenarioConfig()
File "/ailab/user/zhangyang2/.conda/envs/new/lib/python3.7/site-packages/gfootball/env/scenario_builder.py", line 52, in init
self._scenario_cfg = libgame.ScenarioConfig()
RuntimeError: This class cannot be instantiated from Python