Fixes no-user issue

dj_rest_auth/serializers.py

@@ -208,16 +208,16 @@ def custom_validation(self, attrs):
     def validate(self, attrs):
         self._errors = {}
 
-        if not default_token_generator.check_token(self.user, attrs['token']):
-            raise ValidationError({'token': ['Invalid value']})
-
         # Decode the uidb64 to uid to get User object
         try:
             uid = force_text(uid_decoder(attrs['uid']))
             self.user = UserModel._default_manager.get(pk=uid)
         except (TypeError, ValueError, OverflowError, UserModel.DoesNotExist):
             raise ValidationError({'uid': ['Invalid value']})
 
+        if not default_token_generator.check_token(self.user, attrs['token']):
+            raise ValidationError({'token': ['Invalid value']})
+
         self.custom_validation(attrs)
         # Construct SetPasswordForm instance
         self.set_password_form = self.set_password_form_class(