code: def system_path():
      
  
      ca_path = None
  
      # Common CA cert paths
      paths = [
          '/usr/lib/ssl/certs/ca-certificates.crt',
          '/etc/ssl/certs/ca-certificates.crt',
          '/etc/ssl/certs/ca-bundle.crt',
          '/etc/pki/tls/certs/ca-bundle.crt',
          '/etc/ssl/ca-bundle.pem',
          '/usr/local/share/certs/ca-root-nss.crt',
          '/etc/ssl/cert.pem'
      ]
  
      # First try SSL_CERT_FILE
      if 'SSL_CERT_FILE' in os.environ:
          paths.insert(0, os.environ['SSL_CERT_FILE'])
  
      for path in paths:
          if os.path.exists(path) and os.path.getsize(path) > 0:
              ca_path = path
              break
  
      if not ca_path:
          raise OSError(pretty_message(
              '''
              Unable to find a CA certs bundle in common locations - try
              setting the SSL_CERT_FILE environmental variable
              '''
          ))
  
      return ca_path
docs: Tries to find a CA certs bundle in common locations
  
      :raises:
          OSError - when no valid CA certs bundle was found on the filesystem
  
      :return:
          The full filesystem path to a CA certs bundle file