title: Gevent cant be installed on M1 mac using poetry
body: <p>I tried to install many dependencies for a virtual environment using poetry. When it gets to <code>gevent (20.9.0)</code> it gets the following</p>
  <pre><code>import error:
  
  ImportError: dlopen(/private/var/folders/21/wxg5bdsj1w3f3j_9sl_pktbw0000gn/T/pip-build-env-50mwte36/overlay/lib/python3.8/site-packages/_cffi_backend.cpython-38-darwin.so,
  0x0002): tried:
  '/private/var/folders/21/wxg5bdsj1w3f3j_9sl_pktbw0000gn/T/pip-build-env-50mwte36/overlay/lib/python3.8/site-packages/_cffi_backend.cpython-38-darwin.so'
  (mach-o file, but is an incompatible architecture (have 'x86_64', need 'arm64e')), '/usr/local/lib/_cffi_backend.cpython-38-darwin.so' (no such file), '/usr/lib/_cffi_backend.cpython-38-darwin.so' (no such file)
  </code></pre>
  <p>I've tried to use pip3 instead, but still had the same problem.</p>