use the latest sdk

README.md

@@ -1,10 +1,10 @@
 ---
 title: Generate subtitles
-emoji: 🌖
+emoji: 🌍
 colorFrom: yellow
-colorTo: green
+colorTo: pink
 sdk: gradio
-sdk_version: 3.48.0
+sdk_version: 4.14.0
 python_version: 3.8.9
 app_file: app.py
 pinned: false

app.py

@@ -185,9 +185,8 @@ with demo:
 
         with gr.TabItem("Upload audio from disk"):
             uploaded_audio_file = gr.Audio(
-                source="upload",  # Choose between "microphone", "upload"
+                sources=["upload"],  # Choose between "microphone", "upload"
                 type="filepath",
-                optional=False,
                 label="Upload audio from disk",
             )
             upload_audio_button = gr.Button("Submit for recognition")