He was re-elected last year after a heated campaign against two other candidates in the Democratic primary.
The heated campaign had been seen by some as the sign of a racially based split in the party.
After a heated campaign, the measure passed despite Gould's threats.
Its members, in and out of government, deal easily with each other, even in heated primary campaigns.
Also, there was fear that a long, heated campaign would spark further killings.
"In the midst of a heated campaign, there are going to be critics," he said.
He also said he was trying to learn from the issues raised in the heated and negative campaign.
The gun lobby had spent $4 million in a heated campaign to repeal the law.
The tranquil tone of today's debate was a departure from the increasingly heated campaign.
The plan calls for job cuts of 4,300 in France, and has drawn fire from politicians amid a heated presidential campaign.