解决Anaconda创建环境时报错：PackagesNotFoundError

报错内容

创建环境时出现以下报错：

Channels:
 - defaults
 - conda-forge
Platform: linux-64
Collecting package metadata (repodata.json): done
Solving environment: failed

PackagesNotFoundError: The following packages are not available from current channels:

  - python-3.8

Current channels:

  - defaults
  - https://conda.anaconda.org/conda-forge

To search for alternate channels that may provide the conda package you're
looking for, navigate to

    https://anaconda.org

and use the search bar at the top of the page.

解决方法

为当前用户重新配置conda-forge渠道

conda config --add channels conda-forge
conda con