def delete(self, region_name):
        backend = ec2_backends[region_name]
        self.ec2_backend.delete_security_group(group_id=self.id)
Retrieve location of a command, checking in installation directory.
dataset/ETHPy150Open spulec/moto/moto/ec2/models.py/SecurityGroup.delete--crossover with--dataset/ETHPy150Open chapmanb/cloudbiolinux/cloudbio/fabutils.py/find_cmd