diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 1a53f3577f2..f47c1e12981 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -4712,6 +4712,11 @@ let
       maintainers = with maintainers; [ garbas iElectric ];
       platforms = platforms.all;
     };
+
+    # Failing tests
+    # https://github.com/Pylons/pyramid/issues/1899
+    doCheck = !isPy35;
+
   };