Only wrap single JS return value if not already an array (#3594)

* Only wrap single JS return value if not already an array

* Update CHANGELOG

* pin

---------

Co-authored-by: Abubakar Abid <abubakar@huggingface.co>

CHANGELOG.md

@@ -18,6 +18,7 @@
 - Fixed bug where textbox shrinks when  `lines` set to larger than 20 by [@dawoodkhan82](https://github.com/dawoodkhan82) in [PR 3637](https://github.com/gradio-app/gradio/pull/3637)
 - Ensure CSS has fully loaded before rendering the application, by [@pngwn](https://github.com/pngwn) in [PR 3573](https://github.com/gradio-app/gradio/pull/3573)
 - Support using an empty list as `gr.Dataframe` value, by [@space-nuko](https://github.com/space-nuko) in [PR 3646](https://github.com/gradio-app/gradio/pull/3646)
+- Fixes certain `_js` return values being double wrapped in an array, by [@space-nuko](https://github.com/space-nuko) in [PR 3594](https://github.com/gradio-app/gradio/pull/3594)
 - Correct the documentation of `gr.File` component to state that its preprocessing method converts the uploaded file to a temporary file, by @RussellLuo in [PR 3660](https://github.com/gradio-app/gradio/pull/3660)
 - Fixed bug in Serializer ValueError text by [@osanseviero](https://github.com/osanseviero) in [PR 3669](https://github.com/gradio-app/gradio/pull/3669)
 - Fix default parameter argument and `gr.Progress` used in same function, by [@space-nuko](https://github.com/space-nuko) in [PR 3671](https://github.com/gradio-app/gradio/pull/3671)

js/app/src/Blocks.svelte

@@ -66,7 +66,7 @@
 				d.frontend_fn = new AsyncFunction(
 					"__fn_args",
 					`let result = await (${d.js})(...__fn_args);
-					return ${wrap} ? [result] : result;`
+					return (${wrap} && !Array.isArray(result)) ? [result] : result;`
 				);
 			} catch (e) {
 				console.error("Could not parse custom js method.");

requirements.txt

@@ -3,7 +3,7 @@ aiohttp
 altair>=4.2.0
 fastapi
 ffmpy
-gradio_client>=0.0.4
+gradio_client==0.0.4
 httpx
 huggingface_hub>=0.13.0
 Jinja2