title: CloudFormation stack deletion failing to remove VPC
body: <p>I have created aws infrastructure with collection EC2, Redshift, VPC etc. via CLOUDFORMATION. Now I want to delete it in particular reverse order. Exa. All resources are dependent on VPC. VPC should be deleted at the end. But somehow every stack is deleting but VPC stack is not deleting via python BOTO3.It shows some subnet or network interface dependency error. But when I try to delete via console, It deletes it successfully.
  Has anyone faced this issue? </p>
  
  <p>I have tried to delete everyting like loadbalancer which is attached to it. But still VPC is not deleting.</p>