{
    "inputs": [{"name": "input", "type": "boolean", "format": "json"}],
    "outputs": [{"name": "output", "type": "boolean", "format": "boolean"}],
    "script": "output = isinstance(input, (str, unicode))",
    "mode": "python"
}

{
    "inputs": [{"name": "input", "type": "boolean", "format": "json"}],
    "outputs": [{"name": "output", "type": "boolean", "format": "boolean"}],
    "script": "output = isinstance(input, (str, unicode))",
    "extensions": ["boolean-json"],
    "mode": "python"
}

Add extension for boolean json
Add extension for boolean json
