def get_conn(self):
        """
        Fetches PyMongo Client
        """
        if self.client is not None:
            return self.client

        # Mongo Connection Options dict that is unpacked when passed to MongoClient
        options = self.extras

        # If we are using SSL disable requiring certs from specific hostname
        if options.get('ssl', False):
            options.update({'ssl_cert_reqs': CERT_NONE})

        self.client = MongoClient(self.uri, **options)

        return self.client
Fetches PyMongo Client