Errors during installation OSX

[mikeerickson]

I am receiving the following when installing

pip3 install pytest-watch

produces a number of issues, most notably

    src/watchdog_fsevents.c:602:1: warning: missing field 'm_slots' initializer [-Wmissing-field-initializers]
    };
    ^
    284 warnings and 5 errors generated.
    error: command 'clang' failed with exit status 1
    
    ----------------------------------------
Command "/usr/local/opt/python/bin/python3.7 -u -c "import setuptools, tokenize;__file__='/private/tmp/pip-install-qefd3p6v/watchdog/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/tmp/pip-record-vrtxjfni/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /private/tmp/pip-install-qefd3p6v/watchdog/