我正在尝试安装一些新软件包pykg-config，以访问大学分配所必需的功能。当我尝试安装时，得到以下信息：
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
Collecting package metadata (repodata.json): done
Solving environment: failed with initial frozen solve. Retrying with flexible solve.
PackagesNotFoundError: The following packages are not available from current channels:
- pykg-config
Current channels:
- https://conda.anaconda.org/auto/win-64
- https://conda.anaconda.org/auto/noarch
- 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
- https://conda.anaconda.org/conda-forge/win-64
- https://conda.anaconda.org/conda-forge/noarch
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.
我正在尝试安装pdftotext pip install pdftotext，但是出现错误，提示我需要先安装此软件包pykg-config。现在，当我尝试安装软件包pykg-config时，我再次收到上述错误消息。