Error using the math.inf in atmosphere.py

[wiless]

• SHARC version: (development branch) at commit aba88b7
• Python version: Python 3.4.2
• Operating System: Debian 3.16.43

Description

Trying to run through main_cli.py with parameter.ini

What I Did

Paste the command(s) you ran and the output.
If there was a crash, please include the traceback here.

~/SHARC/sharc$ python3 main_cli.py parameters/parameters.ini 
Traceback (most recent call last):
  File "main_cli.py", line 54, in <module>
    main(sys.argv[1:])
  File "main_cli.py", line 49, in main
    view_cli.initialize(param_file)
  File "../sharc/gui/view_cli.py", line 27, in initialize
    param_file = param_file)
  File "../sharc/controller.py", line 49, in action
    self.simulation_thread.run()        
  File "/home/ssk/SHARC/sharc/thread_simulation.py", line 53, in run
    self.model.initialize()
  File "../sharc/model.py", line 48, in initialize
    self.simulation = SimulationDownlink(self.parameters)
  File "../sharc/simulation_downlink.py", line 21, in __init__
    super().__init__(parameters)
  File "../sharc/simulation.py", line 48, in __init__
    self.propagation_system = PropagationFactory.createPropagation(self.param_system.channel_model, self.parameters)
  File "../sharc/propagation/propagation_factory.py", line 41, in createPropagation
    return PropagationP619()
  File "../sharc/propagation/propagation_p619.py", line 32, in __init__
    self.scintillation = Scintillation()
  File "../sharc/propagation/scintillation.py", line 21, in __init__
    self.atmosphere = ReferenceAtmosphere()
  File "../sharc/propagation/atmosphere.py", line 17, in __init__
    self.ref_atmosphere_altitude_km = [-math.inf, 11, 20, 32, 47, 51, 71]
AttributeError: 'module' object has no attribute 'inf'

I was able to run by this fix though

@@ -14,7 +14,7 @@ class ReferenceAtmosphere:
     """
     def __init__(self):
         # Table C.1 of ITU-R P619 - Constants for the reference dry atmosphere
-        self.ref_atmosphere_altitude_km = [-math.inf, 11, 20, 32, 47, 51, 71]
+        self.ref_atmosphere_altitude_km = [-float('inf'), 11, 20, 32, 47, 51, 71]