Terraform apply fails due to jsondecode

[sandipnahak]

Describe the bug
Unable to apply terraform
Error:

  on main.tf line 270, in locals:
 270:   api_creds = fileexists(lookup(data.external.api.result, "file_path")) ? jsondecode(file(lookup(data.external.api.result, "file_path"))) : jsondecode("None")

Call to function "jsondecode" failed: invalid character 'N' looking for
beginning of value.

To Reproduce

cd QuickFabric/terraform
python3 terraform_wrapper.py apply  -var-file=input.tfvars -var-file=secrets.tfvars 

Expected behavior
Terraform apply should complete without any error.

Desktop (please complete the following information):

• OS: Macos
• Version
  Terraform v0.12.17

• provider.archive v1.3.0
• provider.aws v2.55.0
• provider.external v1.2.0
• provider.local v1.4.0
• provider.null v2.1.2
• provider.template v2.1.2