Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

module 'louvain._c_louvain' has no attribute '_set_rng_seed'

See original GitHub issue

trying to run louvain clustering but got the error:

---------------------------------------------------------------------------
AttributeError                            Traceback (most recent call last)
<ipython-input-22-fe1390cdc24a> in <module>
----> 1 sc.tl.louvain(adata, resolution=1.0)

~/miniconda3/envs/scrna/lib/python3.7/site-packages/scanpy/tools/_louvain.py in louvain(adata, resolution, random_state, restrict_to, key_added, adjacency, flavor, directed, use_weights, partition_type, partition_kwargs, copy)
    136                 partition_kwargs["weights"] = weights
    137             logg.info('    using the "louvain" package of Traag (2017)')
--> 138             louvain.set_rng_seed(random_state)
    139             part = louvain.find_partition(
    140                 g, partition_type,

~/miniconda3/envs/scrna/lib/python3.7/site-packages/louvain/functions.py in set_rng_seed(seed)
     23 def set_rng_seed(seed):
     24   """ Set seed for internal random number generator. """
---> 25   _c_louvain._set_rng_seed(seed)
     26 
     27 def find_partition(graph, partition_type, initial_membership=None, weights=None, **kwargs):

AttributeError: module 'louvain._c_louvain' has no attribute '_set_rng_seed'

sc.tl.louvain(adata, resolution=1.0)

Python 3.7

Versions:

scanpy==1.4.6 anndata==0.7.1 umap==0.4.2 numpy==1.18.3 scipy==1.4.1 pandas==1.0.3 scikit-learn==0.22.2.post1 statsmodels==0.11.1 python-igraph==0.8.2 louvain==0.6.2