Typo: Redis sets

[mrchoc]

typo on Check whether bike:1 or bike:2 are racing in the US. example for python

typo:
print(res6) # >>> 1

should be:
print(res6) # >>> 0

[dwdougherty]

Thank you, Ryan. I'll take a look.

[dwdougherty]

I've fixed this with a PR to the redis-py repo. No idea how long it will take to get it merged.