def connect(self): 
        try:
            self.connection = pymongo.Connection(self.host, self.port)
            self.db = self.connection[self.name]
        except AutoReconnect:
            raise DatabaseException("It's not possible connect to the database")
def clone_results_repo(dest_dir):
    subprocess.check_call(
        ["git", "clone", "https://github.com/elopio/autopkgtest-results.git", dest_dir]
    )