code: def test_drop_na_hyper():
      df = cudf.DataFrame.from_pandas(
          pd.DataFrame({"a": ["a", None, "c"], "i": [1, 2, None]})
      )
  
      hg = cugraph.hypergraph(df, dropna=True)
  
      assert len(hg["graph"].nodes()) == 7
      assert len(hg["graph"].edges()) == 4
  
imports: import datetime
  import pandas
  import pytest
  import cudf
  from cudf.testing.testing import assert_frame_equal
  import cugraph
label_desc: Use image node_id 12 for calling a global function with example usage: test_drop_na_hyper() without return types