我正在尝试使用Theano后端导入keras . 我一直'失败,错误代码1无'

我还在命令之前运行了pip install -U pip setuptools .

这是我试图使用的命令行 .

pip install --upgrade --no-deps git git://github.com/Theano/Theano.git收集git git://github.com/Theano/Theano.git克隆git://github.com/Theano/ Theano.git到/ private / var / folders / tf / mylh69ss48ggqvy3r68wmrvm0000gn / T / pip -req-build-fvSlDs xcrun:错误:无效的活动开发者路径(/ Library / Developer / CommandLineTools),缺少xcrun:/ Library / Developer / CommandLineTools / usr / bin / xcrun命令“git clone -q git://github.com/Theano/Theano.git / private / var / folders / tf / mylh69ss48ggqvy3r68wmrvm0000gn / T / pip-req-build-fvSlDs”失败,出现错误代码1无

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