code: def test_empty(self, interp_method):
      interpolation, method = interp_method
      q = DataFrame({"x": [], "y": []}).quantile(
          0.1,
          axis=0,
          numeric_only=True,
          interpolation=interpolation,
          method=method,
      )
      assert np.isnan(q["x"]) and np.isnan(q["y"])
  
imports: import numpy
  import pytest
  import pandas
  from pandas import DataFrame, Index, Series, Timestamp
  import pandas._testing
label_desc: Use image node_id 3 for calling the TestDataFrameQuantile obj's underlying member method code with example usage: obj.test_empty(interp_method) without return types