typo: must be >= 4

Author: Matthew Fisher

api/views.py

@@ -151,7 +151,7 @@ def pre_save(self, obj):
         obj.set_password(obj.password)
         # FIXME: move this business logic to the model
         if len(obj.username) < 4:
-            raise UserRegistrationException('username must be > 4 characters in length')
+            raise UserRegistrationException('username must be >= 4 characters in length')
         # Make this first signup an admin / superuser
         if not User.objects.filter(is_superuser=True).exists():
             obj.is_superuser = obj.is_staff = True