string interpolation pads dictionaries

[mr-c]

Expected Behavior

No padding between key name and the value when interpolating CWL expressions that are Javascript dictionaries as per https://www.commonwl.org/v1.2/Workflow.html#String_interpolation

$ cwltool --quiet test.cwl 
-{"baz":"zab1"}
{}

Actual Behavior

A space is inserted instead

$ cwltool --quiet test.cwl 
-{"baz": "zab1"}
{}

Code

#!/usr/bin/env cwl-runner

class: CommandLineTool
cwlVersion: v1.0
requirements:
  InlineJavascriptRequirement: {}

inputs: []

baseCommand: echo

outputs: []

arguments:
 - |
  -$({"baz":"zab1"})

Your Environment

• cwltool version: 3.0.20201113131334