pip install 怎么都用不了

在下才疏学浅，有空的前辈们能否帮忙

Traceback (most recent call last): File "/usr/local/bin/pipz" line 9: in smodules load_entry_point('pip==21.1.2' 'console scripts' File "/ust/Lib/python2.7/dist-packages/pkg_resources/ 'pipz°)0) init .py", Line 542, n load_entry_point return get _distribution(dist). load entry_point (group, name) File "/ust/lib/python2.7/dist-packages/pkg_resources/ init _-Py". Line 2569, in load entry_point return ep.load() File "/usr/Lib/pythonz.7/dist-packages/pkg_resources/__init. py" line 2229, in Load return self.resolve() File "Just/Lib/pythonz.7/dist-packages/pkg_resources/_init. Py" . Line 2235, in resolve module = import (self .module_name, fromlist=[' Level=0) File "*'usr/local/116/python2.7/dist-packages/pip/internat/cli/main.py" line 58 sys.stderr.write(f"ERROR: [exc]") SyntaxError: invalid syntax