Error after pip update

sys.stderr.write(f”ERROR: {exc}”)

Condition

In python version = 2.7

Problem:

After update pip version by this command: pip install --upgrade pip

when i pip install there was error message like

sys.stderr.write(f"ERROR: {exc}")

Solve:

pip version need to be downgrade

curl -O https://bootstrap.pypa.io/pip/2.7/get-pip.py
python get-pip.py
python -m pip install --upgrade "pip < 21.0"