text: from epanet import toolkit
  from epanet_tools import project
  
  from epanet_tools import calibration_data
  
  
  cal_data = calibration_data.load_calibration("calibration.txt")
  
  
  print(cal_data)
  
  exit()
  
  p = Project()
  p.open('Net3.inp')
  
  
  p.set_network_attribute("links[20].roughness", 200)
  p.set_network_attribute("nodes[10].elevation", 550)
  