unsuccessful initial attempt using frozen solve. Retrying with flexible solve.

问题中描述的是在使用conda install命令时出现了报错信息"Collecting package metadata (repodata.json): done Solving environment: failed with initial frozen solve. Retrying with flexible solve." 这个错误通常是由于conda无法在当前渠道中找到所需的包而导致的。

解决这个问题的方法是通过修改conda的配置文件.condarc，将其中的https修改为http。这样做可以更改conda的包下载渠道，从而避免找不到包的问题。

另外，如果你在使用pip install命令时遇到了类似的问题，可能是由于网络问题或其他原因导致的。在这种情况下，你可以尝试更改源（例如更换为国内镜像源）来解决问题。

总之，当遇到类似的错误信息时，可以尝试修改conda或pip的配置文件，或者更换网络源来解决问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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