我已经安装了miniconda 3，并想使用Python 3.4创建conda环境。我使用了命令：conda create -n myenv python=3.4并得到错误：
PackagesNotFoundError: The following packages are not available from current channels:
- python=3.4
我试图将版本更改为3.7，键入3.7版本conda create -n myenv python=3.7
没有错误。因此，问题似乎与python的旧版本有关。
这是带有错误消息的完整输出：
Collecting package metadata (current_repodata.json): done
Solving environment: failed
Collecting package metadata (repodata.json): done
Solving environment: failed
PackagesNotFoundError: The following packages are not available from current channels:
- python=3.4
Current channels:
- https://repo.anaconda.com/pkgs/main/win-64
- https://repo.anaconda.com/pkgs/main/noarch
- https://repo.anaconda.com/pkgs/r/win-64
- https://repo.anaconda.com/pkgs/r/noarch
- https://repo.anaconda.com/pkgs/msys2/win-64
- https://repo.anaconda.com/pkgs/msys2/noarch
To search for alternate channels that may provide the …