Made FieldError/FieldDoesNotExist messages uniform across Python versions.

Removed possible u'' prefixes on Python 2.

1 files changed, 1 insertions, 1 deletions

diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py
index 9c46ee4ca1..e6516194dd 100644
--- a/django/db/models/sql/query.py
+++ b/django/db/models/sql/query.py
@@ -1339,7 +1339,7 @@ class Query(object):
                 if pos == -1 or fail_on_missing:
                     field_names = list(get_field_names_from_opts(opts))
                     available = sorted(field_names + list(self.annotation_select))
-                    raise FieldError("Cannot resolve keyword %r into field. "
+                    raise FieldError("Cannot resolve keyword '%s' into field. "
                                      "Choices are: %s" % (name, ", ".join(available)))
                 break
             # Check if we need any joins for concrete inheritance cases (the