def _checkAction(self, action, value):
if action is None:<EOL><INDENT>raise WSActionException('<STR_LIT>')<EOL><DEDENT>if not value:<EOL><INDENT>raise WSActionException('<STR_LIT>' %action)<EOL><DEDENT>if value != action:<EOL><INDENT>raise WSActionException('<STR_LIT>'%(value,action))<EOL><DEDENT>
WS-Address Action
        action -- Action value expecting.
        value  -- Action value server returned.