code: def package(self, output=None):
          
          # Make sure we're in a venv.
          self.check_venv()
  
          # force not to delete the local zip
          self.override_stage_config_setting('delete_local_zip', False)
          # Execute the prebuild script
          if self.prebuild_script:
              self.execute_prebuild_script()
          # Create the Lambda Zip
          self.create_package(output)
          self.callback('zip')
          size = human_size(os.path.getsize(self.zip_path))
          click.echo(click.style("Package created", fg="green", bold=True) + ": " + click.style(self.zip_path, bold=True) + " (" + size + ")")
docs: Only build the package