Traceback (most recent call last):


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/utils/autoreload.py", line 227, in wrapper

fn(*args, **kwargs)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/core/management/commands/runserver.py", line 117, in inner_run

autoreload.raise_last_exception()


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/utils/autoreload.py", line 250, in raise_last_exception

six.reraise(*_exception)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/utils/six.py", line 685, in reraise

raise value.with_traceback(tb)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/utils/autoreload.py", line 227, in wrapper

fn(*args, **kwargs)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/__init__.py", line 27, in setup

apps.populate(settings.INSTALLED_APPS)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/apps/registry.py", line 108, in populate

app_config.import_models()


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/django/apps/config.py", line 202, in import_models

self.models_module = import_module(models_module_name)


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/importlib/__init__.py", line 126, in import_module

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


 "<frozen importlib._bootstrap>", line 986, in _gcd_import


 "<frozen importlib._bootstrap>", line 969, in _find_and_load


 "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 673, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 673, in exec_module


 "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed


 "/home/username/.virtualenvs/wagtail-next/lib/python3.5/site-packages/wagtail/wagtailimages/models.py", line 17, in <module>

from django.forms.widgets import flatatt
ImportError: cannot import name 'flatatt'

Traceback (most recent call last):


 "/data/data/com.termux/files/usr/lib/python3.7/multiprocessing/synchronize.py", line 28, in <module>

from _multiprocessing import SemLock, sem_unlink
ImportError: cannot import name 'SemLock' from '_multiprocessing' (/data/data/com.termux/files/usr/lib/python3.7/lib-dynload/_multiprocessing.cpython-37m.so)
