Data source aws_vpcs should not fail if no VPCs are found

[swetli]

Current Terraform Version

Terraform v0.12.25
+ provider.aws v2.64.0

Use-cases

I have a module which utilizes for_each to enable VPC flow logs on all VPCs found in a region, however if I run the module on account/region with empty VPC list the data source returns an error:
data "aws_vpcs" "all" {}

  on modules/vpc_logs/main.tf line 2, in data "aws_vpcs" "all":
   2: data "aws_vpcs" "all" {

Error: no matching VPC found

Proposal

data source "aws_vpcs" should return an empty list, like the aws cli:

aws--region=eu-west-1 ec2 describe-vpcs
{
    "Vpcs": []
}

References

[ghost]

This issue has been automatically migrated to hashicorp/terraform-provider-aws#13951 because it looks like an issue with that provider. If you believe this is not an issue with the provider, please reply to hashicorp/terraform-provider-aws#13951.

[ghost]

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