diff --git a/requests/utils.py b/requests/utils.py
index 730b2f3a..ce08ba78 100644
--- a/requests/utils.py
+++ b/requests/utils.py
@@ -101,7 +101,7 @@ def get_netrc_auth(url):
             pass
 
     # AppEngine hackiness.
-    except AttributeError:
+    except (ImportError, AttributeError):
         pass