pickelimporttest.py

import time

class Timer(object):
    def __enter__(self):
        self.start = time.time()
        return self

    def __exit__(self, *args):
        self.end = time.time()
        self.secs = self.end - self.start
        self.msecs = round(self.secs * 1000, 2)  # millisecs

with Timer() as t:
    try:
        import cPickle
        print("Using import attempt no. 1")
    except ImportError:
        import pickle
        print("Using import attempt no. 2")
print("took %s ms" % t.msecs)