Include social_user in exception raised when an account is already registered.

Give exception handling code more information to mitigate the conflict.

diff --git a/social_auth/backends/__init__.py b/social_auth/backends/__init__.py
index a179c65eaf4422907f826f828b4ef01d600b9c3c..76d3dc715f67fed391c05486234383998f45aad3 100644 (file)
--- a/social_auth/backends/__init__.py
+++ b/social_auth/backends/__init__.py
@@ -138,7 +138,7 @@ class SocialAuthBackend(ModelBackend):
             # would imply update user references on other apps, that's too
             # much intrusive
             if 'user' in kwargs and kwargs['user'] != social_user.user:
-                raise ValueError('Account already in use.')
+                raise ValueError('Account already in use.', social_user)
             user = social_user.user
 
         # Update user account data.