when the distro has been updated from 2020.3 to 2020.4 and cme is installed from the repository, crackmapexec will fail to execute after the upgrade:

Traceback (most recent call last):
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 567, in _build_master
ws.require(requires)
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 884, in require
needed = self.resolve(parse_requirements(requirements))
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 775, in resolve
raise VersionConflict(dist, req).with_context(dependent_req)
pkg_resources.VersionConflict: (crackmapexec 5.1.4.dev0 (/usr/lib/python3/dist-packages), Requirement.parse('crackmapexec==5.1.0.dev0'))

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/bin/crackmapexec", line 6, in <module>
from pkg_resources import load_entry_point
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 3239, in <module>
def _initialize_master_working_set():
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 3222, in _call_aside
f(*args, **kwargs)
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 3251, in _initialize_master_working_set
working_set = WorkingSet._build_master()
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 569, in _build_master
return cls._build_from_requirements(requires)
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 582, in _build_from_requirements
dists = ws.resolve(reqs, Environment())
File "/home/kali/.local/lib/python3.9/site-packages/pkg_resources/init.py", line 770, in resolve
raise DistributionNotFound(req, requirers)
pkg_resources.DistributionNotFound: The 'crackmapexec==5.1.0.dev0' distribution was not found and is required by the application