def _is_valid_json(self, doc):
        try:
            js = json.loads(doc)
            return js
        except ValueError:
            return None
Return an IPython parallel direct view with one engine per host.
dataset/ETHPy150Open ziirish/burp-ui/burpui/misc/backend/burp2.py/Burp._is_valid_json--crossover with--dataset/ETHPy150Open pydata/pyrallel/pyrallel/common.py/get_host_view