Tunnel prevent message when Ctrl+C

scripts/tunnel

@@ -1,13 +1,14 @@
 #!/usr/bin/env python3
 
-import sys
-import os
-from subprocess import call
+try:
+    import sys
+    import os
+    from subprocess import call
 
-host, port = sys.argv[1:3]
-proxy = os.environ.get('HTTP_PROXY')
+    host, port = sys.argv[1:3]
+    proxy = os.environ.get('HTTP_PROXY')
 
-if proxy:
+    if proxy:
         proxy = proxy.strip('/')
         if proxy[:7] == 'http://':
             proxy = proxy[7:]
@@ -22,8 +23,10 @@ if proxy:
             args += ['-P', user]
         call(args)
 
-else:
+    else:
         call(['nc', host, port])
+except KeyboardInterrupt:
+    pass
 
 
 # #!/usr/bin/env bash