ImportError: cannot import name 'triu' from 'scipy.linalg'

[msusol]

Gensim Newsgroup.ipynb generates an error today when you run pip install -r requirements.txt that can be resolved by using scipy<1.13 to make existing code work.

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
Cell In[4], line 5
      3 import string
      4 import funcy as fp
----> 5 from gensim import models
      6 from gensim.corpora import Dictionary, MmCorpus
      7 import nltk

File ~/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/gensim/__init__.py:11
      7 __version__ = '4.3.2'
      9 import logging
---> 11 from gensim import parsing, corpora, matutils, interfaces, models, similarities, utils  # noqa:F401
     14 logger = logging.getLogger('gensim')
     15 if not logger.handlers:  # To ensure reload() doesn't add another one

File ~/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/gensim/corpora/__init__.py:6
      1 """
      2 This package contains implementations of various streaming corpus I/O format.
      3 """
      5 # bring corpus classes directly into package namespace, to save some typing
----> 6 from .indexedcorpus import IndexedCorpus  # noqa:F401 must appear before the other classes
      8 from .mmcorpus import MmCorpus  # noqa:F401
      9 from .bleicorpus import BleiCorpus  # noqa:F401

File ~/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/gensim/corpora/indexedcorpus.py:14
     10 import logging
     12 import numpy
---> 14 from gensim import interfaces, utils
     16 logger = logging.getLogger(__name__)
     19 class IndexedCorpus(interfaces.CorpusABC):

File ~/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/gensim/interfaces.py:19
      7 """Basic interfaces used across the whole Gensim package.
      8 
      9 These interfaces are used for building corpora, model transformation and similarity queries.
   (...)
     14 
     15 """
     17 import logging
---> 19 from gensim import utils, matutils
     22 logger = logging.getLogger(__name__)
     25 class CorpusABC(utils.SaveLoad):

File ~/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/gensim/matutils.py:20
     18 import scipy.sparse
     19 from scipy.stats import entropy
---> 20 from scipy.linalg import get_blas_funcs, triu
     21 from scipy.linalg.lapack import get_lapack_funcs
     22 from scipy.special import psi  # gamma function utils

ImportError: cannot import name 'triu' from 'scipy.linalg' (/Users/marksusol/.virtualenvs/venv-pyLDAvis/lib/python3.11/site-packages/scipy/linalg/__init__.py)

ref: https://stackoverflow.com/questions/78279136/importerror-cannot-import-name-triu-from-scipy-linalg-gensim

piskvorky/gensim#3525