import urllib3

import pook

# Mock HTTP traffic only in the given context
with pook.use():
    pook.get("http://httpbin.org/status/404").reply(204)

    # Intercept request
    http = urllib3.PoolManager()
    r = http.request("GET", "http://httpbin.org/status/404")
    print("#1 status:", r.status)


# Real request outside of the context manager
http = urllib3.PoolManager()
r = http.request("GET", "http://httpbin.org/status/404")
print("#2 status:", r.status)