问题 I have tried lots of efforts but not found the result. Error Showing File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3088, in <module> @_call_aside File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3072, in _call_aside f(*args, **kwargs) File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 3101, in _initialize_master_working_set working_set = WorkingSet._build_master() File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py",