Update apis/chat_api.py

apis/chat_api.py

@@ -350,7 +350,7 @@ async def whisper_transcribe(
         pipe.model.config.forced_decoder_ids = pipe.tokenizer.get_decoder_prompt_ids(language=language, task="transcribe")
         file_data = await audio_file.read()
         # rv = data.encode('utf-8')
-        rv = base64.b64encode(file_data)
+        rv = base64.b64encode(file_data).decode()
         print(rv, "rvrvrvrvr")
         text = pipe(rv)["text"]
         time_end = time.time()