Update talk.py (#88)

handle empty output file path

Author: virajkarandikar

scripts/tts/talk.py

@@ -51,6 +51,9 @@ def parse_args() -> argparse.Namespace:
     )
     parser = add_connection_argparse_parameters(parser)
     args = parser.parse_args()
+    if not args.output.strip():
+        print("Empty output file path not allowed")
+        return
     if args.output is not None:
         args.output = args.output.expanduser()
     if args.list_devices or args.output_device or args.play_audio: