执行 conda install pyqt   会报错：

Collecting package metadata (current_repodata.json): done

Solving environment: unsuccessful initial attempt using frozen solve. Retrying with flexible solve.

Solving environment: unsuccessful attempt using repodata from current_repodata.json, retrying with next repodata source.

ResolvePackageNotFound:

  - conda==23.1.0

(base) root@davinci-mini:~#