Fix req op

Eve-ning · Eve-ning · commit 2da1e9a46b76 · 2023-08-23T14:57:40.000+08:00
diff --git a/src/streamlit-app/requirements.txt b/src/streamlit-app/requirements.txt
@@ -1,2 +1,2 @@
-opal-net=2023.8.4a0
+opal-net==2023.8.4a0
 google-cloud-firestore
