code: def setUp(self):
      self.decay = 2
      self.intensity = 3
      self.hawkes_kernel_exp = HawkesKernelExp(
          self.intensity, self.decay
      )
  
file_path: tick/tick/hawkes/simulation/tests/hawkes_kernel_exp_test.py
imports: import unittest
  from tick.hawkes import HawkesKernelExp
label_desc: Use image node_id 1 for calling the Test obj's underlying member method code with example usage: obj.setUp() without return types