<s> """<STR_LIT>""" <EOL> from pika . adapters . base_connection import BaseConnection <EOL> from pika . adapters . blocking_connection import BlockingConnection <EOL> from pika . adapters . select_connection import SelectConnection <EOL> from pika . adapters . select_connection import IOLoop <EOL> try : <EOL> from pika . adapters . tornado_connection import TornadoConnection <EOL> except ImportError : <EOL> TornadoConnection = None <EOL> try : <EOL> from pika . adapters . twisted_connection import TwistedConnection <EOL> from pika . adapters . twisted_connection import TwistedProtocolConnection <EOL> except ImportError : <EOL> TwistedConnection = None <EOL> TwistedProtocolConnection = None <EOL> try : <EOL> from pika . adapters . libev_connection import LibevConnection <EOL> except ImportError : <EOL> LibevConnection = None </s>
