code: def check_format(self, full_check=True):
          
          check_call(_LIB.MXNDArraySyncCheckFormat(self.handle, ctypes.c_bool(full_check)))
docs: Check whether the NDArray format is valid.
  
          Parameters
          ----------
          full_check : bool, optional
              If `True`, rigorous check, O(N) operations. Otherwise
              basic check, O(1) operations (default True).