Remove app downloaded with a different account

thisIsNotMine.py

#! /usr/local/bin/python

import zipfile, os

for zip_app_name in os.listdir("/Path/to/Music/iTunes/iTunes Music/Mobile Applications"):
	if os.path.isdir(zip_app_name) or not zip_app_name.endswith('.ipa'):
		continue
	workflow = zipfile.ZipFile(zip_app_name)
	try:
		f = workflow.open("iTunesMetadata.plist")
		if not 'your_email@domain.com' in f.read():
			f.close
			print "Removing ", zip_app_name
			os.remove(zip_app_name)
		else:
			f.close
	except:
		continue