Traceback (most recent call last):


 "calibre_plugins.dedrm.__init__", line 534, in KindleMobiDecrypt


 "calibre_plugins.dedrm.k4mobidedrm", line 238, in GetDecryptedBook


 "calibre_plugins.dedrm.mobidedrm", line 449, in processBook


 "calibre_plugins.dedrm.mobidedrm", line 196, in checksumPid
TypeError: a bytes-like object is required, not 'str'

Traceback (most recent call last):


 "C:\Users\S10500\AppData\Local\Continuum\anaconda3\lib\site-packages\spyder\widgets\ipythonconsole\client.py", line 575, in show_time

elapsed_time = time.monotonic() - self.t0
TypeError: unsupported operand type(s) for -: 'float' and 'NoneType'
