gclient: Keyboard interrupt should not cause request to send stack

breakpad.py

 # Copyright (c) 2009 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Breakpad for Python.
 
 Sends a notification when a process stops on an exception."""
 
 import atexit
 import getpass
@@ skipping 16 matching lines @@
     }
     request = urllib.urlopen(url, urllib.urlencode(params))
     print request.read()
     request.close()
   except IOError:
     print('There was a failure while trying to send the stack trace. Too bad.')
 
 
 def CheckForException():
   last_tb = getattr(sys, 'last_traceback', None)
-  if last_tb:
+  if last_tb and sys.last_type is not KeyboardInterrupt:
     SendStack(''.join(traceback.format_tb(last_tb)))
 
 
 if (not 'test' in sys.modules['__main__'].__file__ and
     socket.gethostname().endswith('.google.com')):
   # Skip unit tests and we don't want anything from non-googler.
   atexit.register(CheckForException)