def get_groups_from_category(self, category) -> typing.Iterator['<STR_LIT>']:
Mission.validator_group_category.validate(category, '<STR_LIT>')<EOL>for group in self.groups:<EOL><INDENT>if group.group_category == category:<EOL><INDENT>yield group<EOL><DEDENT><DEDENT>
Args:
    category: category

Returns: all groups from a specific category in this country