code: def setUp(self):
      self.multiplier = 0.1
      self.cutoff = 0.01
      self.exponent = 1.2
      self.hawkes_kernel_power_law = HawkesKernelPowerLaw(
          self.multiplier, self.cutoff, self.exponent
      )
  
file_path: tick/tick/hawkes/simulation/tests/hawkes_kernel_power_law_test.py
imports: import unittest
  from tick.hawkes import HawkesKernelPowerLaw
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