我不小心通过pip install在本地计算机上安装了许多软件包，而不是虚拟环境。
现在，当我尝试创建一个新的虚拟环境时，我得到一个CondaVerificationError告诉我某些软件包已损坏。如何删除本地计算机上安装的所有软件包，即恢复到原始状态？
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/base/oi/transform.py'
specified in the package manifest cannot be found.
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/base/pycore.py'
specified in the package manifest cannot be found.
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/base/pyobjects.py'
specified in the package manifest cannot be found.
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/base/pyobjectsdef.py'
specified in the package manifest cannot be found.
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/contrib/codeassist.py'
specified in the package manifest cannot be found.
CondaVerificationError: The package for rope located at /Users/Eimg/anaconda3/pkgs/rope-0.10.7-py36h68959ac_0
appears to be corrupted. The path 'lib/python3.6/site-packages/rope/contrib/generate.py'
specified in