sudo apt-get install -y python3-pip

sudo update-alternatives --install /usr/bin/pip pip /usr/bin/pip3 1

설치시

update-alternatives: error: alternative path /usr/bin/pip3 doesn't exist

ubuntu@ip-172-31-15-158:~/sparta$

이렇게 에러가 뜹니다

그리고 flask설치도 진행이 안됩니다

update-alternatives: error: alternative path /usr/bin/pip3 doesn't exist

ubuntu@ip-172-31-15-158:~/sparta$