code: def round(self, val):
      if val >= 0:
          return int(val + 0.5)
      return int(val - 0.5)
  
imports: from essentia_test import *
  from numpy import fabs
label_desc: Use image node_id 1 for calling the TestMonoLoader obj's underlying member method code with example usage: obj.round(val) and returns: int, int