[Linux] Litet problem med Python/Spyder IDE

while True:
 
    print ("What would you like to calculate?")
    print ("1. Reaction Distance")
    print ("2. Breaking Distance")
    print ("3. Stop Distance")
 
    A = raw_input('Chose your answer by typing "Reaction", "Break", "Stop" or "Quit" to exit: ')
 
    if A == "Reaction" or A == "reaction":
        Speed = raw_input("Enter speed: ")
        reactionS = raw_input("Enter the reacion time in seconds: ")
        svar = (int(Speed) * int(reactionS)) / 3.6
        print ("The breaking distance is: " + str(svar))
    elif A == "Break" or A == "break":
        print("Breaking Distance")
    elif A == "Stop" or A == "stop":
        print("Stop")
    else:
        quit()

n thread Thread-1:
Traceback (most recent call last):
  File "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
    self.run()
  File "/usr/lib/python2.7/dist-packages/spyderlib/widgets/externalshell/monitor.py", line 575, in run
    already_pickled=True)
  File "/usr/lib/python2.7/dist-packages/spyderlib/utils/bsdsocket.py", line 24, in write_packet
    sock.send(struct.pack("l", len(sent_data)) + sent_data)
error: [Errno 32] Broken pipe

Stoppsträckan är reaktionssträckan + bromssträckan. Först räknas reaktionssträckan ut:

90 km/h ⇒ 9
9 * 1 * 3 = 27 meter reaktionssträcka
Därefter räknas bromssträckan ut:

90 km/h ⇒ 9
9 * 9 = 81
81 * 0,4 = 32 meter bromssträcka
Nu läggs de båda sträckorna ihop:

27 + 32 = 59 meter stoppsträcka