old_contents: from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import unicode_literals
  
  from .dev import *  # noqa
  
  INTERNAL_IPS = ["127.0.0.1"]
  
  DEBUG_TOOLBAR_CONFIG = {"SHOW_TOOLBAR_CALLBACK": lambda x: True}
  
  MIDDLEWARE.append("debug_panel.middleware.DebugPanelMiddleware")  # noqa
  
  INSTALLED_APPS += ["debug_toolbar", "debug_panel"]  # noqa
  
  DEBUG_PANEL_ACTIVE = True
  
new_contents: from __future__ import absolute_import
  from __future__ import print_function
  from __future__ import unicode_literals
  
  from .dev import *  # noqa
  
  INTERNAL_IPS = ["127.0.0.1"]
  
  DEBUG_TOOLBAR_CONFIG = {"SHOW_TOOLBAR_CALLBACK": lambda x: True}
  
  MIDDLEWARE.append("debug_panel.middleware.DebugPanelMiddleware")  # noqa
  
  INSTALLED_APPS += ["debug_toolbar", "debug_panel"]  # noqa
  
  DEBUG_PANEL_ACTIVE = True
  
  CACHES["debug-panel"] = {  # noqa
      "BACKEND": "django.core.cache.backends.filebased.FileBasedCache",
      "LOCATION": "/var/tmp/debug-panel-cache",
      "TIMEOUT": 300,
      "OPTIONS": {"MAX_ENTRIES": 200},
  }
  
subject: Add cache to make debug panel usable.