Update app.py

app.py

@@ -7,7 +7,7 @@ from google.oauth2 import service_account
 import base64
 import io
 
-path_to_key_file = "/path/to/your/key-file.json"
+path_to_key_file = "your_key_file_name.json"
 
 credentials = service_account.Credentials.from_service_account_file(path_to_key_file)
 client = speech.SpeechClient(credentials=credentials)