runner.py: sumo tools creates vehicle ID as a float point number

So let's remove the float point number

mn_wifi/sumo/runner.py

@@ -69,13 +69,14 @@ def start(self, cars, config_file, clients, port,
  x1 = vehCmds.getPosition(vehID1)[0]
  y1 = vehCmds.getPosition(vehID1)[1]
 
- if int(vehID1) < len(cars):
- cars[int(vehID1)].position = x1, y1, 0
- cars[int(vehID1)].set_pos_wmediumd(cars[int(vehID1)].position)
-
- if hasattr(cars[int(vehID1)], 'sumo'):
- if cars[int(vehID1)].sumo:
- args = [cars[int(vehID1)].sumoargs]
- cars[int(vehID1)].sumo(vehID1, vehCmds, *args)
- del cars[int(vehID1)].sumo
+ vehID = int(vehID1.replace('.0',''))
+ if vehID < len(cars):
+ cars[vehID].position = x1, y1, 0
+ cars[vehID].set_pos_wmediumd(cars[vehID].position)
+
+ if hasattr(cars[vehID], 'sumo'):
+ if cars[vehID].sumo:
+ args = [cars[vehID].sumoargs]
+ cars[vehID].sumo(vehID, vehCmds, *args)
+ del cars[vehID].sumo