def _VmB(self, VmKey):
        '''Private.
        '''
        # get pseudo file  /proc/<pid>/status
        try:
            t = open(self._proc_status)
            v = t.read()
            t.close()
        except:
            return 0.0  # non-Linux?
            # get VmKey line e.g. 'VmRSS:  9999  kB\n ...'
        i = v.index(VmKey)
        v = v[i:].split(None, 3)  # whitespace
        if 3 < len(v):
            return 0.0  # invalid format?
            # convert Vm value to bytes
        return float(v[1]) * self._scale[v[2]]
dataset/ETHPy150Open alfss/django-sockjs-server/django_sockjs_server/lib/memory_stats.py/MemoryStats._VmB/swapped operands of `<`