Security Issue - random.randint

[JoelMon]

:warning: random.randint() is used to generate pseudo numbers for non security sensitive applications, random() is being used in this program and it is a security risk.

"Warning The pseudo-random generators of this module should not be used for security purposes. Use os.urandom() or SystemRandom if you require a cryptographically secure pseudo-random number generator." https://docs.python.org/2/library/random.html