Bio-Metric device are not connecting

[Gopal-Bandyopadhyay]

Sir, Thanking to develop such beautiful app to get Bio-metric record. I have deployed this app in Current version of Django with Python 3 where following error could not solved. File "C:\Bitnami\djangostack-2.0.1-0\python\lib\site-packages\zk\base.py", line 32, in __create_header buf = pack( 'HHHH',command, checksum, session_id, reply_id) + command_string TypeError: can't concat str to bytes [06/Mar/2018 15:24:31] "POST /bio/terminal/scan HTTP/1.1" 500 95907

Please help me to resolved can't concat str to bytes error

[yuht]

Sir, Thanking to develop such beautiful app to get Bio-metric record. I have deployed this app in Current version of Django with Python 3 where following error could not solved. File "C:\Bitnami\djangostack-2.0.1-0\python\lib\site-packages\zk\base.py", line 32, in __create_header buf = pack( 'HHHH',command, checksum, session_id, reply_id) + command_string TypeError: can't concat str to bytes [06/Mar/2018 15:24:31] "POST /bio/terminal/scan HTTP/1.1" 500 95907

Please help me to resolved can't concat str to bytes error

hi I am use something like this : Python 2.7.17 Django 1.7.11 future 0.18.2 pip 19.3.1 pyzk 0.3 setuptools 38.5.2 the zkcluster work well.

at last , my device is use PASSWORD ,so i am give up.