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

当使用conda安装annoy时，如果出现以下错误信息：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。这可能是由于当前渠道中找不到所需的annoy包造成的。为了解决这个问题，你可以尝试以下方法：

1. 确保你的conda环境配置正确，并且你的conda版本是最新的。你可以通过运行conda update conda来更新conda。

2. 检查你的conda渠道设置是否正确。可以使用conda config --show channels命令来查看当前的渠道设置，并确保annoy包所在的渠道是启用的。

3. 如果你已经添加了正确的渠道，并且仍然找不到annoy包，你可以尝试添加额外的渠道。你可以使用conda config --add channels <channel_name>命令来添加一个新的渠道，其中<channel_name>是包含annoy包的渠道名称。

4. 如果以上方法仍然无法解决问题，你可以尝试使用pip来安装annoy包。在anaconda prompt中，切换到你要安装pytorch的环境，然后运行pip install annoy命令来安装annoy包。

希望以上方法能够帮助你解决问题。如果问题仍然存在，请提供更多详细的错误信息，以便我们能够更好地帮助你。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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