code: def test_error_too_many_levels(spark):
      df = pd.DataFrame(columns=["c1", "c2", "c3"]).set_index(
          ["c1", "c2", "c3"]
      )
      with pytest.raises(ValueError):
          glow.wgr.reshape_for_gwas(spark, df)
  
imports: import numpy
  import pandas
  import pytest
  import glow
label_desc: Use image node_id 1 for calling a global function with example usage: test_error_too_many_levels(spark) without return types