The US buys 50% of its uranium to them: https://www.reuters.com/business/energy/exclusive-us-utiliti...
Maybe even for France and Germany, but doubt so.
Moreover ore grade falls with extraction, and extraction-related emissions grow accordingly. Maybe up to 110g/ CO2-e/kWhel: https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2051332