On a fresh arch arm installation (raspberry pi 3) the package community/tldr failed to install the dependency python-six:
$this->bbcode_second_pass_code('', '
alarm@alarmpi ~]# tldr ls
Traceback (most recent call last):
File "/usr/bin/tldr", line 12, in <module>
from six.moves.urllib.parse import quote
ModuleNotFoundError: No module named 'six'
')