Firsrst message is rejected

[smoczy25]

https://github.com/riptideio/pymodbus/blob/master/pymodbus/framer/rtu_framer.py
Bad init of self._header, first message validation rise error of unit mismatch

Versions

• Python:
• OS:
• Pymodbus:
• Modbus Hardware (if used):

Pymodbus Specific

• Server: tcp/rtu/ascii - sync/async
• Client: tcp/rtu/ascii - sync/async

Description

What were you trying, what has happened, what went wrong, and what did you expect?

Code and Logs

 # code and logs here.

[janiversen]

Solved on dev.