View difference between Paste ID: n03pbTsm and kY3ueku3

-#!/usr/bin/python3
+#!/usr/bin/python2
 
 
 import subprocess
 import tempfile
 import itertools
 import os
 
 
 def ping_async(host):
     """Calls nmap in background to ping the specified host"""
     args = ('nmap', '-sn', '-PE', '--max-retries=5',
             '--initial-rtt-timeout=1500ms', '--max-rtt-timeout=2000ms',
-    devnull = subprocess.DEVNULL
+
     popen = subprocess.Popen
     outfile = tempfile.TemporaryFile('w+t')
-        process = popen(args, stdout=outfile, stderr=devnull)
+
         with open(os.devnull, 'w+b') as devnull:
             process = popen(args, stdout=outfile, stderr=devnull,
                             stdin=devnull)
     except:
         outfile.close()
         raise
     def getresult():
         """Blocks until the ping result is available"""
         with outfile:
             err = process.wait()
             if err:
                 raise subprocess.CalledProcessError(err, str.join(' ', args))
             outfile.seek(0)
             for line in outfile:
                 if line.startswith("Host is up"):
                     return True
         return False
     return getresult
 
 
 def main():
     hosts = ("www.google.com", "www.google.de", "www.example.net",
-    for host, result in zip(hosts, results):
+
     pings = [ping_async(host) for host in hosts]
     results = ("up" if ping() else "down" for ping in pings)
     for host, result in itertools.izip(hosts, results):
         print("%s is %s" % (host, result))
 
 
 if __name__ == '__main__':
     main()