unfurl export "concise" mode adds extra parenthesis causing syntax errors in Python file generated from TOSCA YAML file

[julienphoward]

example with snippet from https://docs.unfurl.run/configurators.html :

apiVersion: unfurl/v1alpha1
kind: Ensemble
spec:
  service_template:
    imports:
    - repository: unfurl
      file: tosca_plugins/artifacts.yaml
    topology_template:
      node_templates:
        terraform-example:
          type: tosca:Root
          artifacts:
            ripgrep:
              type: artifact.AsdfTool
              file: ripgrep
              properties:
                version: 13.0.0
          interfaces:
            Standard:
              configure:
                implementation: ripgrep
                inputs:
                  cmd: rg search

using the command:

UNFURL_EXPORT_PYTHON_STYLE=concise unfurl -vv export --format python ex1.yaml

generates the error:

TOSCA failed to format /Users/julienhoward/unfurl/docs/ex1.py: Cannot parse: 18:17: file='ripgrep', ))

the full line in ex1.py being

terraform_example.ripgrep = artifact_AsdfTool("ripgrep", version='13.0.0',
file='ripgrep', ))