Add Django Debug Toolbar to default dev config.

settings/dev.py

@@ -5,10 +5,14 @@ Dev-specific Django settings.
 # Inherit from base settings
 from .base import *
 
+INSTALLED_APPS += (
+    'django_pdb',            # Allows post-mortem debugging on exceptions
+    'debug_toolbar',
+)
+
 MIDDLEWARE_CLASSES += (
     'django_pdb.middleware.PdbMiddleware',  # Needed to enable shell-on-crash behavior
+    'debug_toolbar.middleware.DebugToolbarMiddleware',
 )
 
-INSTALLED_APPS += (
-    'django_pdb',            # Allows post-mortem debugging on exceptions
-)
+INTERNAL_IPS = ('127.0.0.1',)
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