code: def get_connections():
      connections = ["datafusion"]
      try:
          import duckdb
  
          connections.append("duckdb")
      except ImportError:
          pass
  
      return connections
  
file_path: vegafusion/python/vegafusion/tests/test_transformed_data.py
imports: from pathlib import Path
  import pandas
  import pyarrow
  import pytest
  from altair.utils.execeval import eval_block
  import vegafusion
  from vega_datasets import data
  import polars
  import altair
label_desc: Use image node_id 1 for calling a global function with example usage: get_connections() and returns: connections