ImportError in colab notebook

[amrzv]

• Contextualized Topic Models version: 2.5.0
• Python version: 3.10.12
• Operating System: Ubuntu 22.04.3 LTS

Hello.
On the line

from contextualized_topic_models.utils.preprocessing import WhiteSpacePreprocessingStopwords

the ImportError is raised

ImportError: cannot import name 'triu' from 'scipy.linalg.special_matrices' (/usr/local/lib/python3.10/dist-packages/scipy/linalg/special_matrices.py)

when running Combined TM on Wikipedia Data (Preproc+Saving+Viz) (stable v2.3.0) notebook in colab.

Full traceback

/usr/local/lib/python3.10/dist-packages/sentence_transformers/cross_encoder/CrossEncoder.py:11: TqdmExperimentalWarning: Using `tqdm.autonotebook.tqdm` in notebook mode. Use `tqdm.tqdm` instead to force console mode (e.g. in jupyter console)
  from tqdm.autonotebook import tqdm, trange
---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
Cell In[6], line 3
      1 from contextualized_topic_models.models.ctm import CombinedTM
      2 from contextualized_topic_models.utils.data_preparation import TopicModelDataPreparation
----> 3 from contextualized_topic_models.utils.preprocessing import WhiteSpacePreprocessingStopwords
      4 import nltk

File /usr/local/lib/python3.10/dist-packages/contextualized_topic_models/utils/preprocessing.py:4
      2 import string
      3 from nltk.corpus import stopwords as stop_words
----> 4 from gensim.utils import deaccent
      5 import warnings
      7 class WhiteSpacePreprocessing():

File /usr/local/lib/python3.10/dist-packages/gensim/__init__.py:11
      7 __version__ = '4.2.0'
      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 /usr/local/lib/python3.10/dist-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 /usr/local/lib/python3.10/dist-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 /usr/local/lib/python3.10/dist-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 /usr/local/lib/python3.10/dist-packages/gensim/matutils.py:22
     20 import scipy.linalg
     21 from scipy.linalg.lapack import get_lapack_funcs
---> 22 from scipy.linalg.special_matrices import triu
     23 from scipy.special import psi  # gamma function utils
     26 logger = logging.getLogger(__name__)

ImportError: cannot import name 'triu' from 'scipy.linalg.special_matrices' (/usr/local/lib/python3.10/dist-packages/scipy/linalg/special_matrices.py)

Downgrading scipy should solve the issue:

pip install scipy==1.10.1