Update apis/chat_api.py

apis/chat_api.py

@@ -109,7 +109,8 @@ class ChatAPIApp:
         mp3_fp = BytesIO()
         #audioobj.save(fileName)
         audioobj.write_to_fp(mp3_fp)
-        base64EncodedStr = base64.b64encode(mp3_fp.read())
+        buffer = bytearray(mp3_fp.read())
+        base64EncodedStr = base64.encodebytes(buffer)
         item_response = {
             "src": base64EncodedStr
         }