issue on serving mxnet model

[ashutosh199]

raise RuntimeError(error_msg) RuntimeError: simple_bind error. Arguments: data: (1, 2) Error in operator lro: [12:38:25] c:\jenkins\workspace\mxnet-tag\mxnet\include\mxnet\tuple.h:202: Check failed: i >= 0 && i < ndim(): index = 0 must be in range [0, -1)