Traceback (most recent call last):


 "/home/lpfannschmidt/.poetry/lib/poetry/_vendor/py3.7/keyring/backend.py", line 188, in _load_plugins

init_func = ep.load()


 "/home/lpfannschmidt/.poetry/lib/poetry/_vendor/py3.7/entrypoints.py", line 82, in load

mod = import_module(self.module_name)


 "/home/lpfannschmidt/anaconda3/lib/python3.7/importlib/__init__.py", line 127, in import_module

return _bootstrap._gcd_import(name[level:], package, level)


 "<frozen importlib._bootstrap>", line 1006, in _gcd_import


 "<frozen importlib._bootstrap>", line 983, in _find_and_load


 "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked


 "<frozen importlib._bootstrap>", line 677, in _load_unlocked


 "<frozen importlib._bootstrap_external>", line 728, in exec_module


 "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed


 "/home/lpfannschmidt/anaconda3/lib/python3.7/site-packages/keyrings/alt/Windows.py", line 9, in <module>

from . import file_base


 "/home/lpfannschmidt/anaconda3/lib/python3.7/site-packages/keyrings/alt/file_base.py", line 7, in <module>

from keyring.py27compat import configparser
ModuleNotFoundError: No module named 'keyring.py27compat'

Traceback (most recent call last):


 "calibre_plugins.dedrm.__init__", line 430, in PDFDecrypt


 "calibre_plugins.dedrm.ineptpdf", line 2175, in decryptBook


 "calibre_plugins.dedrm.ineptpdf", line 1980, in __init__


 "calibre_plugins.dedrm.ineptpdf", line 1788, in __init__


 "calibre_plugins.dedrm.ineptpdf", line 1413, in set_parser


 "calibre_plugins.dedrm.ineptpdf", line 1914, in read_xref


 "calibre_plugins.dedrm.ineptpdf", line 1865, in find_xref


 "calibre_plugins.dedrm.ineptpdf", line 851, in revreadlines
TypeError: argument should be integer or bytes-like object, not 'str'
