Update streamlit_app.py

streamlit_app.py

@@ -148,15 +148,16 @@ st.sidebar.text_input(
 with st.sidebar.expander("Options", expanded=False):
     st.text_input("Video Password", key="video-password", placeholder="Enter Video Password")
 
-download = st.sidebar.button("Load Video")
-if download:
-    download_options = {}
-    if st.session_state["video-password"]:
-        download_options["videopassword"] = st.session_state["video-password"]
-    video_path = download_video(
-        st.session_state["url"], save_path=os.path.join(".", "data"), **download_options
-    )
-    st.session_state["videos"] = video_path
+if st.session_state["url"]:
+    download = st.sidebar.button("Load Video")
+    if download:
+        download_options = {}
+        if st.session_state["video-password"]:
+            download_options["videopassword"] = st.session_state["video-password"]
+        video_path = download_video(
+            st.session_state["url"], save_path=os.path.join(".", "data"), **download_options
+        )
+        st.session_state["videos"] = video_path
 
 st.sidebar.button(
     "Clear Videos",