def split_addresses(email_string_list):
 return [f for f in [s.strip() for s in email_string_list.split(u',')] if f]

def split_addresses ( email_string_list ) : return [ f for f in [ s . strip ( ) for s in email_string_list . split ( u',' ) ] if f ]
converts a string containing comma separated email addresses into a list of email addresses .