There is an issue with the python library lxml on apple when parsing an XML file containing emojis, on Odoo this will arrive when trying to install some modules as Project or Knowledge.
The Traceback is :
Traceback (most recent call last):
File "/Users/odoo/src/odoo-src/odoo/odoo/tools/translate.py", line 310, in xml_translate
root = parse_xml(value)