Install gradio from source in UI tests (#2440)

* Install gradio from source

* CHANGELOG

* Do not upgrade pip

.github/workflows/ui.yml

@@ -53,9 +53,12 @@ jobs:
           node-version: 16
           cache: pnpm
           cache-dependency-path: ui/pnpm-lock.yaml
-      - run: pip install -r ../requirements.txt
+      - name: Install Python
+        uses: actions/setup-python@v3
+        with:
+          python-version: '3.x'
+      - run: cd .. && bash scripts/install_gradio.sh
       - run: pip install -r ../demo/outbreak_forecast/requirements.txt
-      - run: pip install gradio
       - run: pnpm install --frozen-lockfile
       - run: pnpm exec playwright install chromium
       - run: pnpm test:browser:full

CHANGELOG.md

@@ -27,7 +27,7 @@ No changes to highlight.
 * Decreased latency in iterative-output demos by making the iteration asynchronous [@freddyaboulton](https://github.com/freddyaboulton) in [PR 2409](https://github.com/gradio-app/gradio/pull/2409)
 * Automatically restart spaces if they're down by [@aliabd](https://github.com/aliabd) in [PR 2405](https://github.com/gradio-app/gradio/pull/2405)
 * Carousel component is now deprecated by [@abidlabs](https://github.com/abidlabs) in [PR 2434](https://github.com/gradio-app/gradio/pull/2434)
-
+* Build Gradio from source in ui tests by by [@freddyaboulton](https://github.com/freddyaboulton) in [PR 2440](https://github.com/gradio-app/gradio/pull/2440) 
 
 ## Contributors Shoutout:
 No changes to highlight.