Error: 'pybind11' must be installed before running the build.

[kimsijin33]

I try below command

log->
python setup.py install

running install
error: can't create or remove files in install directory

The following error occurred while trying to add or remove files in the
installation directory:

[Errno 13] Permission denied: '/usr/local/lib/python3.7/dist-packages/test-easy-install-1558.write-test

...

and try below command
$ sudo python setup.py install
log ->
...
Best match: scipy 1.7.0
Processing scipy-1.7.0.tar.gz
Writing /tmp/easy_install-v4yo41y1/scipy-1.7.0/setup.cfg
Running scipy-1.7.0/setup.py -q bdist_egg --dist-dir /tmp/easy_install-v4yo41y1/scipy-1.7.0/egg-dist-tmp-d7yw9bg_
/tmp/easy_install-v4yo41y1/scipy-1.7.0/setup.py:492: UserWarning: Unrecognized setuptools command ('-q bdist_egg --dist-dir /tmp/easy_install-v4yo41y1/scipy-1.7.0/egg-dist-tmp-d7yw9bg_'), proceeding with generating Cython sources and expanding templates
' '.join(sys.argv[1:])))
Error: 'pybind11' must be installed before running the build.

please help me!!