uliweb gevent race condition

output.txt

~$ prun "t1: curl -s localhost:8000/t1?v=1" "t2: curl -s localhost:8000/t2?v=2"
1 t1:  curl -s localhost:8000/t1?v=1
2 t2:  curl -s localhost:8000/t2?v=2

t2: t2: v=2, v_after_sleep=1
t2: --- end ---
t1: t1: v=1, v_after_sleep=1
t1: --- end ---

views.py

#coding=utf-8
from uliweb import expose, functions
import gevent

@expose('/t1')
def t1():
    v = request.values.get("v")
    gevent.sleep(5)
    v_after_sleep = request.values.get("v")
    return 't1: v=%s, v_after_sleep=%s\n'%(v,v_after_sleep)

@expose('/t2')
def t2():
    v = request.values.get("v")
    gevent.sleep(1)
    v_after_sleep = request.values.get("v")
    return 't2: v=%s, v_after_sleep=%s\n'%(v,v_after_sleep)