pygments_formatters_img.py

# Patch for pygments/formatters/img.py

# Define font to use
DEFAULT_FONT_NAME_NIX = 'Menlo'

class FontManager(object):
    # ... Other methods
    
    def _get_nix_font_path(self, name, style):
        # Fix 'fc-list' command to explore exact font to use
        proc = subprocess.Popen(['fc-list', "%s:style=%s" % (name, style), 'file'], stdout=subprocess.PIPE)
        stdout, _ = proc.communicate()
        if proc.returncode == 0:
            lines = stdout.splitlines()
            for line in lines:
                if line.startswith(b'Fontconfig warning:'):
                    continue
                path = line.decode().strip().strip(':')
                if path:
                    return path
            return None
            
    # Other methods ...

shell.sh

# Install Fontconfig with Brew
# using --universal flag for better font configs recogization
$ brew install fontconfig --universal

# Might use this to establish cache
$ fc-cache /Library/Fonts