* Upon Python errors, return SRD_ERR_PYTHON. If the sigrok decoders
* directory cannot be accessed, return SRD_ERR_DECODERS_DIR.
* If not enough memory could be allocated, return SRD_ERR_MALLOC.
* Upon Python errors, return SRD_ERR_PYTHON. If the sigrok decoders
* directory cannot be accessed, return SRD_ERR_DECODERS_DIR.
* If not enough memory could be allocated, return SRD_ERR_MALLOC.