diff --git a/pkgs/development/python-modules/devtools/default.nix b/pkgs/development/python-modules/devtools/default.nix
index c9e0a79a2413..34004769b1fd 100644
--- a/pkgs/development/python-modules/devtools/default.nix
+++ b/pkgs/development/python-modules/devtools/default.nix
@@ -44,6 +44,8 @@ buildPythonPackage rec {
     "test_print_subprocess"
     # sensitive to timing
     "test_multiple_not_verbose"
+    # sensitive to interpreter output
+    "test_simple_vars"
   ];
 
   pythonImportsCheck = [