Kombu unacked messages were missing when calling .get()

gistfile1.py

"""
Kombu and Celery were doing something strange were I noticed rabbit had
a large number of unacked messages, but when I hit .get() I got nothing.

This manifested on the client side of things at times where it would work once,
hang the next. And then work again.
"""

# This was the bad code
with kombu.Connection(RABBIT_HOST) as conn:
    while True:
        master_q = conn.SimpleQueue(MASTER_QUEUE)
        print('getting')
        msg = master_q.get()



# This was the good code, notice I don't redeclare the q in the loop
with kombu.Connection(RABBIT_HOST) as conn:
    master_q = conn.SimpleQueue(MASTER_QUEUE)
    while True:
        print('getting')
        msg = master_q.get()