bad argument type for built-in operation

[metacoma]

Describe the bug/feature The map definition in kapitan.vars leads to error with an incomprehensible description

To Reproduce Steps to reproduce the behavior:

1. git clone --depth 1 -b pr-for-demonstrate-map-error https://github.com/metacoma/kapitan.git
2. cd kapitan/examples/kubernetes/
3. kapitan compile -t labels

Expected behavior Target "lables" compiled successfully

Screenshots

Jsonnet error: failed to compile kubernetes/components/namespace/main.jsonnet:                                                               
bad argument type for built-in operation                                                                                                                                        
Compile error: failed to compile target: labels      

If it's a bug (please complete the following information):

• python --version: Python 3.8.5
• pip3 --version: pip 20.0.2 from /usr/lib/python3/dist-packages/pip (python 3.8)
• Are you using pyenv or virtualenv?: no

Additional context

$ kapitan --version
0.29.3

[ramaro]

@metacoma thanks reporting! Is this kapitan installed from master or pip?

[metacoma]

@metacoma thanks reporting! Is this kapitan installed from master or pip?

Hey @ramaro ! From pip

[github-actions[bot]]

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