Command "/usr/bin/python -m pip install --ignore-installed --no-user --prefix /tmp/pip-build-env-SUgVWL --no-warn-script-location --no-binary :none: --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple -- "setuptools >= 40.8.0" wheel "Cython >= 0.29.14" "cffi >= 1.12.3 ; platform_python_implementation == 'CPython'" "greenlet>=0.4.14 ; platform_python_implementation == 'CPython'"" failed with error code 1 in None

各位老师：
我在尝试在树莓派上安装LeanCloud的Python SDK包时出现了上述报错，能否帮忙看看是什么原因，谢谢！！

您好，我是通过pip安装的，pip也更新到最新的版本了，您觉得还有可能是什么别的原因吗？谢谢！！