Exception: too many values to unpack (expected 1)

[xiatianjihao]

Hi,

I am running GRNBoost2 as part of pySCENIC and encountered an error that I have not seen posts about previously. Here is what the console returns when I run it:

Traceback (most recent call last):
File "", line 1, in
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/arboreto/algo.py", line 41, in grnboost2
early_stop_window_length=early_stop_window_length, limit=limit, seed=seed, verbose=verbose)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/arboreto/algo.py", line 128, in diy
seed=seed)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/arboreto/core.py", line 419, in create_graph
future_tf_matrix = client.scatter(tf_matrix, broadcast=True)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/client.py", line 2186, in scatter
hash=hash,
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/client.py", line 845, in sync
self.loop, func, *args, callback_timeout=callback_timeout, **kwargs
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/utils.py", line 353, in sync
raise exc.with_traceback(tb)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/utils.py", line 336, in f
result[0] = yield future
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/tornado/gen.py", line 762, in run
value = future.result()
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/client.py", line 2073, in _scatter
timeout=timeout,
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 862, in send_recv_from_rpc
result = await send_recv(comm=comm, op=key, **kwargs)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 661, in send_recv
raise exc.with_traceback(tb)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 501, in handle_comm
result = await result
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/scheduler.py", line 5038, in scatter
nthreads, data, rpc=self.rpc, report=False
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/utils_comm.py", line 149, in scatter_to_workers
for address, v in d.items()
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/utils.py", line 237, in All
result = await tasks.next()
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 862, in send_recv_from_rpc
result = await send_recv(comm=comm, op=key, **kwargs)
File "/home/ranxiaojuan/miniconda3/lib/python3.7/site-packages/distributed/core.py", line 663, in send_recv
raise Exception(response["text"])
Exception: too many values to unpack (expected 1)

And I have more than 50000 cells with 10000 genes, could it may be too large of the datasets?