code: def generate(bits=1024, progress_func=None):
          
          numbers = dsa.generate_private_key(
              bits, backend=default_backend()
          ).private_numbers()
          key = DSSKey(
              vals=(
                  numbers.public_numbers.parameter_numbers.p,
                  numbers.public_numbers.parameter_numbers.q,
                  numbers.public_numbers.parameter_numbers.g,
                  numbers.public_numbers.y,
              )
          )
          key.x = numbers.x
          return key
docs: Generate a new private DSS key.  This factory function can be used to
          generate a new host key or authentication key.
  
          :param int bits: number of bits the generated key should be.
          :param progress_func: Unused
          :return: new `.DSSKey` private key