Update app.py

app.py

@@ -36,6 +36,7 @@ with col2:
     ###### I recommend starting with the base model and then experimenting with the larger models, the small and medium models often work well. """)
     
 
+@st.cache(allow_output_mutation=True)
 def populate_metadata(link):
     yt = YouTube(link)
     author = yt.author
@@ -47,6 +48,7 @@ def populate_metadata(link):
     return author, title, description, thumbnail, length, views
 
 
+@st.cache(allow_output_mutation=True)
 def download_video(link):
     yt = YouTube(link)
     video = yt.streams.filter(progressive=True, file_extension='mp4').order_by('resolution').desc().first().download()
@@ -70,6 +72,7 @@ def change_model(current_size, size):
         raise Exception("Model size is the same as the current size.")
 
 
+@st.cache(allow_output_mutation=True)
 def inference(link, loaded_model, task):
     yt = YouTube(link)
     path = yt.streams.filter(only_audio=True)[0].download(filename="audio.mp4")
@@ -91,6 +94,7 @@ def inference(link, loaded_model, task):
         raise ValueError("Task not supported")
 
 
+@st.cache(allow_output_mutation=True)
 def getSubs(segments: Iterator[dict], format: str, maxLineWidth: int) -> str:
     segmentStream = StringIO()