Pip package flask 3.0.0 requires click>=8.1.3 , I had click 7.1.2 so it was incompatible with that and I installed click 8.1.3 . After that I got another warning that typer 0.3.2 requires click <7.2.0 , >=7.1.1 and my current click 8.1.3 is incompatible with that .