Merge pull request #55 from vesterbaek/fix_drf_request

DRF 3 bug: get HttpRequest from DRF request object. Similar to issue #43

rest_auth/registration/serializers.py

@@ -1,3 +1,4 @@
+from django.http import HttpRequest
 from rest_framework import serializers
 from requests.exceptions import HTTPError
 from allauth.socialaccount.helpers import complete_social_login
@@ -11,6 +12,8 @@ class SocialLoginSerializer(serializers.Serializer):
         access_token = attrs.get('access_token')
         view = self.context.get('view')
         request = self.context.get('request')
+        if not isinstance(request, HttpRequest):
+            request = request._request
 
         if not view:
             raise serializers.ValidationError('View is not defined, pass it ' +