def callproc(self, procname, vars=None):
        query_time = 0
        try:
            t_begin = time.time()
            res = super(TracingCursor, self).callproc(procname, vars)
            query_time = t_begin - time.time()
            return res
        finally:
            if self._tracer:
                self._log_call(self._tracer, trace_stmt=self._trace_stmt, query_time=query_time)
dataset/ETHPy150Open ooici/pyon/pyon/datastore/postgresql/pg_util.py/TracingCursor.callproc/swapped operands of `-`