Could not find a version that satisfies the requirement Pylearn2

根据引用和引用，"Could not find a version that satisfies the requirement"错误通常表示在安装包时，没有找到满足要求的版本。解决这个问题的一个方法是更换使用国内的pip源。在引用中，问题描述了使用pycharm安装PIL失败，并提到了错误原因是官网提供的安装包只有32位的，而在64位电脑上安装会出错。根据这些信息，可以推断出Pylearn2也可能遇到了类似的问题，即没有找到满足要求的版本。因此，你可以尝试更换pip源或者寻找适合你环境的Pylearn2版本来解决这个问题。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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