()
return HAS_GEVENT
Check if async support is available.
        Returns True if gevent is installed.
Check if async support is available.
        Returns True if gevent is installed.
Check if async support is available . Returns True if gevent is installed .
def has_async():
        """
        Check if async support is available.
        Returns True if gevent is installed.
        """

        return HAS_GEVENT
def has_async ( ) : return HAS_GEVENT