TypeError when running command remi prepare

Here is the traceback and the log (error happened after the setup is completed)

[INFO] Setup complete !
[INFO] Running command locally: rsync -zravut --executability --delete --exclude-from='.remi/exclude.txt' . --list-only > .remi/last_push.log
['bash', '-c', "source ~/.bashrc && rsync -zravut --executability --delete --exclude-from='.remi/exclude.txt' . --list-only > .remi/last_push.log"]
[INFO] Nothing has changed since last push. Cancelling push.
[INFO] Updating python packages
[INFO] Updating
Traceback (most recent call last):
  File "/local_scratch/aballou/anaconda3/envs/remi/bin/remi", line 33, in <module>
    sys.exit(load_entry_point('remi', 'console_scripts', 'remi')())
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 1137, in __call__
    return self.main(*args, **kwargs)
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 1062, in main
    rv = self.invoke(ctx)
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 1668, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 1404, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/decorators.py", line 26, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/aballou/remi/remi/setup_commands.py", line 126, in prepare
    ctx.invoke(update_packages, hostname=hostname)
  File "/local_scratch/aballou/anaconda3/envs/remi/lib/python3.9/site-packages/click/core.py", line 763, in invoke
    return __callback(*args, **kwargs)
  File "/home/aballou/remi/remi/setup_commands.py", line 92, in update_packages
    run_remote_command(command=config.virtual_env.update_cmd,
  File "/home/aballou/remi/remi/utils.py", line 95, in run_remote_command
    return run_local_cmd(command=command,
  File "/home/aballou/remi/remi/utils.py", line 35, in run_local_cmd
    print_info(to_bold('Running command locally: ') + ' '.join(command))
TypeError: can only join an iterable