AttributeError: 'PosixPath' object has no attribute 'rstrip'

[cschwan]

(env) cschwan@montblanc ~ $ pinefarm run ATLAS_1JET_8TEV_R06 pinefarm/extras/theories/theory_200_1.yaml 
/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/cli/_base.py:24: UserWarning: No configuration file detected.
  warnings.warn("No configuration file detected.")
/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/configs.py:81: UserWarning: Using default minimal configuration ('root = $PWD').
  warnings.warn("Using default minimal configuration ('root = $PWD').")
ATLAS_1JET_8TEV_R06
Computing ATLAS_1JET_8TEV_R06...
✓ Found pineappl
Installing...
Traceback (most recent call last):
  File "/home/cschwan/runcards/env/bin/pinefarm", line 8, in <module>
    sys.exit(command())
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/click/core.py", line 1130, in __call__
    return self.main(*args, **kwargs)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/click/core.py", line 1055, in main
    rv = self.invoke(ctx)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/click/core.py", line 1657, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/click/core.py", line 760, in invoke
    return __callback(*args, **kwargs)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/cli/run.py", line 30, in subcommand
    main(dataset, theory_card, pdf)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/cli/run.py", line 65, in main
    install_reqs(runner, pdf)
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/cli/run.py", line 84, in install_reqs
    runner.install()
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/external/mg5/__init__.py", line 47, in install
    install.mg5amc()
  File "/home/cschwan/runcards/env/lib/python3.8/site-packages/pinefarm/install.py", line 75, in mg5amc
    shutil.move(el, dest)
  File "/usr/lib/python3.8/shutil.py", line 787, in move
    real_dst = os.path.join(dst, _basename(src))
  File "/usr/lib/python3.8/shutil.py", line 750, in _basename
    return os.path.basename(path.rstrip(sep))
AttributeError: 'PosixPath' object has no attribute 'rstrip'