backend/global/settings/dev.py
from .base import * DEBUG = TrueINSTALLED_APPS = ['debug_toolbar'] + INSTALLED_APPSMIDDLEWARE += ['debug_toolbar.middleware.DebugToolbarMiddleware']INTERNAL_IPS = ['localhost', '127.0.0.1', '172.18.0.1', '172.18.0.3']EMAIL_BACKEND = 'django.core.mail.backends.console.EmailBackend' def show_toolbar(request): return True Expected 2 blank lines after class or function definition, found 1DEBUG_TOOLBAR_CONFIG = { "SHOW_TOOLBAR_CALLBACK": show_toolbar,} ALLOWED_HOSTS += ['localhost']CSRF_TRUSTED_ORIGINS += ['localhost']