DSMR 5 was broken because some wrong if.
if dsmr_version in ("5B"):
-> this checks dsmr_version against 5 and B. Not if its 5B.
DSMR 5 was broken because some wrong if.
if dsmr_version in ("5B"):
-> this checks dsmr_version against 5 and B. Not if its 5B.