0.67.1安装fixer出现版本兼容问题，求解

kingmacth

【安装软件】
pip3 install fixerio

sensor:
  - platform: fixer
    target: CNY

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这样添加sensor

Unable to install package warrant==0.6.1: fixerio 0.1.1 has requirement requests==2.10.0, but you'll have requests 2.18.4 which is incompatible.
Command "/srv/homeassistant/homeassistant_venv/bin/python3 -u -c "import setuptools, tokenize;__file__='/tmp/pip-install-dku26ke_/pycryptodome/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-record-il7z7stv/install-record.txt --single-version-externally-managed --compile --install-headers /srv/homeassistant/homeassistant_venv/include/site/python3.6/pycryptodome" failed with error code 1 in /tmp/pip-install-dku26ke_/pycryptodome/

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错误提示。
这个插件是不能用了吗？还是修改设置还可以继续啊？