code: def check_field_defined(value, field):
      assert value.get(field), f'Must provide "{field}" field'
  
file_path: glow/python/render_template.py
imports: import argparse
  import jinja2
  import yaml
label_desc: Use image node_id 9 for calling a global function with example usage: check_field_defined(value, field) without return types