我升级到了 Ubuntu 20.04.1，并且我正在使用的日记应用程序（https://jrnl.sh/installation/) 返回此错误：
Traceback (most recent call last):
File "/usr/local/bin/jrnl", line 6, in <module>
from pkg_resources import load_entry_point
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3251, in <module>
@_call_aside
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3235, in _call_aside
f(*args, **kwargs)
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 3264, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 583, in _build_master
ws.require(__requires__)
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 900, in require
needed = self.resolve(parse_requirements(requirements))
File "/usr/lib/python2.7/dist-packages/pkg_resources/__init__.py", line 786, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'six>=1.10.0' distribution was not found and is required by jrnl
我尝试过强制重新安装它，但无济于事。我是 Ubuntu 新手，如果我遗漏了任何关键细节，请告诉我。