OSolving environment: failed with initial frozen solve. Retrying with flexible solve.

在执行conda install时，如果出现"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: - annoy"的错误，这说明在当前的渠道中找不到所需的包。

为了解决这个问题，你可以尝试使用其他渠道或者使用pip安装。如果使用conda安装不成功，你可以尝试使用pip3安装pytorch和相应的包。具体的命令是：pip3 install torch torchvision torchaudio --extra-index-url https://download.pytorch.org/whl/cu116 -i https://pypi.tuna.tsinghua.edu.cn/simple。

这样操作后，应该能够成功解决"Solving environment: failed with initial frozen solve. Retrying with flexible solve."的问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
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