Caused by: com.chaquo.python.PyException: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xbd in position 0: invalid start byte at .java.chaquopy_android.f1 ...

I have an app that worked fine on python 2.7. I needed to upgrade to python 3.4 and the speech to text stopped to work. Yes, I ported to my code to python 3 and everything but speech to text works ...