diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2d4330b6978..e3d35e7356f 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -10559,10 +10559,13 @@ let
 
     propagatedBuildInputs = with self; [
       pbr requests2
-        (sphinx.override {src = pkgs.fetchurl {
-          url = "https://pypi.python.org/packages/source/s/sphinx/sphinx-1.2.3.tar.gz";
-          sha256 = "94933b64e2fe0807da0612c574a021c0dac28c7bd3c4a23723ae5a39ea8f3d04";
-        };})
+        (sphinx.override {
+          src = pkgs.fetchurl {
+            url = "https://pypi.python.org/packages/source/s/sphinx/sphinx-1.2.3.tar.gz";
+            sha256 = "94933b64e2fe0807da0612c574a021c0dac28c7bd3c4a23723ae5a39ea8f3d04";
+            };
+          patches = [];
+        })
     ];
   };