Traceback (most recent call last):


 "/usr/local/bin/oj", line 2, in <module>

import onlinejudge.implementation.main


 "/usr/local/lib/python3.5/site-packages/onlinejudge/implementation/main.py", line 6, in <module>

from onlinejudge.implementation.command.download import download
ImportError: No module named 'onlinejudge.implementation.command'

Traceback (most recent call last):


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/threading.py", line 932, in _bootstrap_inner

self.run()


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/threading.py", line 870, in run

self._target(*self._args, **self._kwargs)


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/utils/autoreload.py", line 53, in wrapper

fn(*args, **kwargs)


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/core/management/commands/runserver.py", line 109, in inner_run

autoreload.raise_last_exception()


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/utils/autoreload.py", line 76, in raise_last_exception

raise _exception[1]


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/core/management/__init__.py", line 357, in execute

autoreload.check_errors(django.setup)()


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/utils/autoreload.py", line 53, in wrapper

fn(*args, **kwargs)


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/__init__.py", line 24, in setup

apps.populate(settings.INSTALLED_APPS)


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/apps/registry.py", line 91, in populate

app_config = AppConfig.create(entry)


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/apps/config.py", line 90, in create

module = import_module(entry)


 "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/importlib/__init__.py", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 1014, in _gcd_import


 "<frozen importlib._bootstrap>", line 991, in _find_and_load


 "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 671, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 783, in exec_module


 "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/json_field/__init__.py", line 1, in <module>

from json_field.fields import JSONField


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/json_field/fields.py", line 4, in <module>

from json_field.forms import JSONFormField


 "/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/json_field/forms.py", line 5, in <module>

from django.forms import fields, util
ImportError: cannot import name 'util' from 'django.forms' (/Users/subodhk/Desktop/csoc-2020-task-2/venv/lib/python3.8/site-packages/django/forms/__init__.py)
