Not according wikipedia.

While the legislation failed to reach the Assembly floor, Ammiano stated his plans to reintroduce the bill later in the year, depending on the success of Proposition 19, the Regulate, Control and Tax Cannabis Act, which appeared on the November 2010 ballot.[1] However, the proposition lost 46% to 54%. [2]

On another hand:

On September 30th, 2010, Gov. Arnold Schwarzenegger signed into law CA State Senate Bill 1449, effectively reducing the charge of possession of up to one ounce of cannabis from a misdemeanor to a infraction, similar to a traffic violation, with a $100 fine and no mandatory court appearance or criminal record.[3] The law became effective January 1, 2011.