title: Trouble trying to install ssh2-python on Mac (OS Catalina)
body: <p>I am trying to download ssh2-python, but continue to get this error. I saw a previous post said to download cmake to fix this issue, but unfortunately it did not help me. Any recommendations on what to do seeing the error below? Thank you!</p>
  
  <pre><code>pip3 install ssh2-python
  
  Collecting ssh2-python
  
    Using cached ssh2-python-0.18.0.post1.tar.gz (1.1 MB)
  
  Installing collected packages: ssh2-python 
  
      Running setup.py install for ssh2-python ... error
      ERROR: Command errored out with exit status 1:
       command: /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/setup.py'"'"'; __file__='"'"'/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-record-51uifsty/install-record.txt --single-version-externally-managed --compile --install-headers /Library/Frameworks/Python.framework/Versions/3.8/include/python3.8/ssh2-python
           cwd: /private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/
      Complete output (10 lines):
      /bin/sh: cmake: command not found
      Traceback (most recent call last):
        File "&lt;string&gt;", line 1, in &lt;module&gt;
        File "/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/setup.py", line 36, in &lt;module&gt;
          build_ssh2()
        File "/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/_setup_libssh2.py", line 21, in build_ssh2
          check_call('cmake ../libssh2 -DBUILD_SHARED_LIBS=ON \
        File "/Library/Frameworks/Python.framework/Versions/3.8/lib/python3.8/subprocess.py", line 364, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command 'cmake ../libssh2 -DBUILD_SHARED_LIBS=ON     -DENABLE_ZLIB_COMPRESSION=ON -DENABLE_CRYPT_NONE=ON     -DENABLE_MAC_NONE=ON -DCRYPTO_BACKEND=OpenSSL' returned non-zero exit status 127.
      ----------------------------------------
  ERROR: Command errored out with exit status 1: /Library/Frameworks/Python.framework/Versions/3.8/bin/python3.8 -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/setup.py'"'"'; __file__='"'"'/private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-install-3kzvpatz/ssh2-python/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/fv/m4glr2xj7fzd20dv5pk9bs1c0000gn/T/pip-record-51uifsty/install-record.txt --single-version-externally-managed --compile --install-headers /Library/Frameworks/Python.framework/Versions/3.8/include/python3.8/ssh2-python Check the logs for full command output.
  </code></pre>