Update app.py

app.py

@@ -42,9 +42,12 @@ if st.button("Generate Transcript"):
             # Initialize GenAI client
             client = genai.Client(api_key=api_key)
             
-            # Upload audio file
-            uploaded_file = client.files.upload(file=tmp_file_path)
-
+            # Upload audio file with explicit MIME type
+            uploaded_file = client.files.upload(
+                file=tmp_file_path,
+                mime_type=audio_file.type  # Get MIME type from uploaded file
+            )
+            
             # New token counting functionality
             try:
                 token_info = client.models.count_tokens(
@@ -77,6 +80,8 @@ if st.button("Generate Transcript"):
 
 # Credits section in sidebar
 st.sidebar.markdown("""
+**Info**
+- It works without key, but has limits. Use your own to upload bigger files.
 **Credits**
 - Transcription powered by [Gemini API](https://ai.google.dev/)
 - Heavy inspired by https://github.com/philschmid/gemini-samples/blob/main/examples/gemini-transcribe-with-timestamps.ipynb