Fixed URL exception

app.py

@@ -7,6 +7,7 @@ import google.generativeai as google_genai
 import os
 from dotenv import load_dotenv
 
+
 load_dotenv()
 
 GOOGLE_API_KEY = os.getenv("GOOGLE_API_KEY")
@@ -64,7 +65,7 @@ youtube_url_tab, file_select_tab, audio_file_tab = st.tabs(
 with youtube_url_tab:
     url = st.text_input("Enter the Youtube url")
     yt_video, title = youtube_video_downloader(url)
-    if yt_video:
+    if url:
         if st.button("Transcribe"):
             with st.spinner("Transcribing..."):
                 ytvideo_transcript = transcribe_video(yt_video)