AttributeError: type object 'cublasLt' has no attribute 'cublasLtHandle_t'

Cuda compilation tools, release 10.0, V10.0.130

torch 1.6.0

python 3.6

and get error:

Traceback (most recent call last):
File "/home/wac/PycharmProjects/CPM-1-Generate/test.py", line 7, in
cpm2.generate(text)
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/models/cpm2.py", line 219, in generate
frequency_penalty, presence_penalty, 189
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/models/cpm2.py", line 103, in pre_processing
ctx = self.encode(np.array([idx], dtype=np.int64), [input_length])
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/arch/t5/model.py", line 238, in encode
True
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/layers/transformer_block.py", line 42, in forward
x = self.self_attention.forward(allocator, x, attention_mask, self_attn_position_bias)
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/layers/attention.py", line 63, in forward
qkv_i32
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/functions/gemm.py", line 86, in igemm
_igemm(allocator, a, aT, b, bT, c, device, stream)
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/functions/gemm.py", line 102, in _igemm
lthandle = get_handle(device)
File "/home/wac/PycharmProjects/CPM-1-Generate/env/lib/python3.6/site-packages/bminf/functions/gemm.py", line 65, in get_handle
v = cublasLt.cublasLtHandle_t()
AttributeError: type object 'cublasLt' has no attribute 'cublasLtHandle_t'

Start with bminf/functions/gemm.py, especially get_handle and the cublasLtHandle_t construction shown in the traceback. Reproduce the failure with the reported CUDA 10.0, PyTorch 1.6.0, and Python 3.6 environment, then determine the compatible cublasLt interface and verify that CPM2 generation completes without this AttributeError.