code: def empty_data() -> pd.DataFrame:
      return pd.DataFrame({"A": []})
  
file_path: ydata-profiling/tests/unit/test_summary_algos.py
imports: import numpy
  import pandas
  import pytest
  from ydata_profiling.config import Settings
  from ydata_profiling.model.summary_algorithms import describe_counts, describe_generic, describe_supported, histogram_compute
label_desc: Use image node_id 4 for calling a global function with example usage: empty_data() and returns: pd