diff --git a/pkgs/development/python-modules/gradio/default.nix b/pkgs/development/python-modules/gradio/default.nix
index a25d8baa10d3..44ebf7a80365 100644
--- a/pkgs/development/python-modules/gradio/default.nix
+++ b/pkgs/development/python-modules/gradio/default.nix
@@ -149,7 +149,7 @@ buildPythonPackage rec {
 
     # mock calls to `shutil.which(...)`
     (writeShellScriptBin "npm" "false")
-  ] ++ passthru.optional-dependencies.oauth ++ pydantic.passthru.optional-dependencies.email;
+  ] ++ passthru.optional-dependencies.oauth ++ pydantic.optional-dependencies.email;
 
   # Add a pytest hook skipping tests that access network, marking them as "Expected fail" (xfail).
   # We additionally xfail FileNotFoundError, since the gradio devs often fail to upload test assets to pypi.