Clip from: Jewel Robbery (1932)(William Powell-Kay Francis)(Dir-William Dieterle) What is this I am smoking?

The Production Code of 1934 was a set of moral guidelines that were enforced from 1934 to 1968 by the Motion Picture Association of America. It prohibited profanity, nudity, drug use, and miscegenation-[Definition = has been used to refer to cohabitation or intermarriage between racial groups].
As well as any suggestion that the law could be broken.
The Hays Code is a much better-known name for this code. The first set of guidelines was adopted on March 31, 1930, after the studios were threatened with government regulation for their racy content.
The "Hays Code" is a set of rules and guidelines that Hollywood films were made to follow between the early 1930s and late 1960s. Officially named the "Motion Picture Production Code",
This code was established by Will H. Hays, who was appointed by President Calvin Coolidge in 1924 to head the Motion Pictures Producers and Distributors of America. The code was instituted in order to avoid government censorship.
By 1932, all the major studios except Universal had agreed to the Production Code.
The marijuana is smoked in the movie as a plot line and not marijuana propaganda. This prompted many calls from the Public. Most wanted to know what that was and where can they get some.