When I run pysim ,I cannot read the card ,and always tell me this:
lab434@lab434-OptiPlex-7050:~/pysim$ ./pySim-read.py -p0
Reading ...
ICCID:
Traceback (most recent call last):
  File "./pySim-read.py", line 99, in <module>
    print("IMSI: %s" % (dec_imsi(res),))
  File "/home/lab434/pysim/pySim/utils.py", line 57, in dec_imsi
    l = int(ef[0:2]) * 2            # Length of the IMSI string
ValueError: invalid literal for int() with base 10: 'ff'