add pip dependency pika
add pip dependency pika

Running in a fresh virtualenv, realized this pkg was missing.

realitygaps/cloudbrain,singlerider/cloudbrain,octopicorn/cloudbrain,lambdaloop/cloudbrain,octopicorn/cloudbrain,andyh616/cloudbrain,realitygaps/cloudbrain,singlerider/cloudbrain,alessiodm/cloudbrain,marionleborgne/cloudbrain,cloudbrain/cloudbrain,realitygaps/cloudbrain,singlerider/cloudbrain,realitygaps/cloudbrain,prescottprue/cloudbrain,singlerider/cloudbrain,prescottprue/cloudbrain,andyh616/cloudbrain,alessiodm/cloudbrain,cloudbrain/cloudbrain,octopicorn/cloudbrain,lambdaloop/cloudbrain,lambdaloop/cloudbrain,andyh616/cloudbrain,andyh616/cloudbrain,alessiodm/cloudbrain,lambdaloop/cloudbrain,marionleborgne/cloudbrain,octopicorn/cloudbrain,prescottprue/cloudbrain,prescottprue/cloudbrain,alessiodm/cloudbrain