Use explicit import for httptools
Use explicit import for httptools

Explicit importing the parser and the exception to save a name lookup.

yunstanford/sanic,r0fls/sanic,channelcat/sanic,lixxu/sanic,ashleysommer/sanic,Tim-Erwin/sanic,lixxu/sanic,yunstanford/sanic,jrocketfingers/sanic,channelcat/sanic,yunstanford/sanic,yunstanford/sanic,lixxu/sanic,lixxu/sanic,jrocketfingers/sanic,ashleysommer/sanic,ashleysommer/sanic,channelcat/sanic,ai0/sanic,r0fls/sanic,Tim-Erwin/sanic,channelcat/sanic,ai0/sanic