code: def WriteInit(self, out):
          
          printer = self._GetPrinter(out)
          if self.__init_wildcards_file:
              printer('"""Common imports for generated %s client library."""',
                      self.__client_info.package)
              printer('# pylint:disable=wildcard-import')
          else:
              printer('"""Package marker file."""')
          printer()
          printer('import pkgutil')
          printer()
          if self.__init_wildcards_file:
              printer('from %s import *', self.__base_files_package)
              if self.__root_package == '.':
                  import_prefix = ''
              else:
                  import_prefix = '%s.' % self.__root_package
              printer('from %s%s import *',
                      import_prefix, self.__client_info.client_rule_name)
              printer('from %s%s import *',
                      import_prefix, self.__client_info.messages_rule_name)
              printer()
          printer('__path__ = pkgutil.extend_path(__path__, __name__)')
docs: Write a simple __init__.py for the generated client.