code: def setUp(self):
      self.df = pd.DataFrame(
          [[1, 1, 0], [1, 0, 1], [0, 0, 1]], columns=["a", "b", "c"]
      )
      self.fpalgo = fpmax
  
imports: import unittest
  import numpy
  import pandas
  from test_fpbase import FPTestEdgeCases, FPTestErrors, FPTestEx1, FPTestEx2, FPTestEx3All, compare_dataframes
  from mlxtend.frequent_patterns import fpmax
label_desc: Use image node_id 1 for calling the TestEx4 obj's underlying member method code with example usage: obj.setUp() without return types