Remove Xcode duplicated simulators

remove_sim_dups.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import re
from subprocess import Popen, PIPE
from subprocess import call

p = Popen(["xcrun","simctl","list","devices"], stdin=PIPE, stdout=PIPE, stderr=PIPE)
output, err = p.communicate(b"input data that is passed to subprocess' stdin")

blocks = re.split("--\s+(.*?)\s+--",output)

dic = {}

i=0
for block in blocks:
    
    matches = re.findall("iOS 8.4",block)    
    if len(matches)>0:
        content = blocks[i+1]
        
        lines = content.split("\n")
        for line in lines:
            line = line.strip()
            if len(line)>0:
                match = re.match("(.*?)\(",line)
                if match:
                    devicename = match.group(1)
                    
                    idMatch = re.match(".*?\((.*?)\).*",line)
                    
                    dic[devicename] = idMatch.group(1)
                    # print match.group(1)
                # print line
        
    i = i+1

for guid in dic.itervalues():
    call(["xcrun","simctl","delete",guid])

When I run this it's not doing anything. I still have all duplicate simulators afterwards.