try import sendfile

Author: Tobias Zanke

djangodav/auth/rest.py

@@ -29,6 +29,11 @@
 except ImportError:
     rest_framework = None
 
+try:
+    import sendfile
+except ImportError:
+    sendfile = None
+
 
 class RequestWrapper(object):
     """ simulates django-rest-api request wrapper """