ValueError: mutable default <class 'numpy.ndarray'> for field texts is not allowed: use default_factory

[yesmycar]

langchain 0.3 and python-3.11.5
if use loader =UnstructuredPDFLoader(fileName) or loader = UnstructuredImageLoader(fileName) ,will to occur under error:

File "D:\Python\anaconda3\envs\python2\Lib\site-packages\langchain_core\document_loaders\base.py", line 31, in load
return list(self.lazy_load())
^^^^^^^^^^^^^^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\site-packages\langchain_community\document_loaders\unstructured.py", line 107, in lazy_load
elements = self._get_elements()
^^^^^^^^^^^^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\site-packages\langchain_community\document_loaders\pdf.py", line 72, in _get_elements
from unstructured.partition.pdf import partition_pdf
File "D:\Python\anaconda3\envs\python2\Lib\site-packages\unstructured\partition\pdf.py", line 56, in
from unstructured.partition.pdf_image.analysis.layout_dump import (
File "D:\Python\anaconda3\envs\python2\Lib\site-packages\unstructured\partition\pdf_image\analysis\layout_dump.py", line 7, in
from unstructured_inference.inference.elements import ImageTextRegion, TextRegion
File "D:\Python\anaconda3\envs\python2\Lib\site-packages\unstructured_inference\inference\elements.py", line 209, in
@DataClass
^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\dataclasses.py", line 1230, in dataclass
return wrap(cls)
^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\dataclasses.py", line 1220, in wrap
return _process_class(cls, init, repr, eq, order, unsafe_hash,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\dataclasses.py", line 958, in _process_class
cls_fields.append(_get_field(cls, name, type, kw_only))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "D:\Python\anaconda3\envs\python2\Lib\dataclasses.py", line 815, in _get_field
raise ValueError(f'mutable default {type(f.default)} for field '
ValueError: mutable default <class 'numpy.ndarray'> for field texts is not allowed: use default_factory

[bserefaniuk]

I began experiencing the same issue after updating unstructured_inference from version 0.7.36 to 0.7.37. However, everything worked as expected once I downgraded to the previous version.

[eyurtsev]

The general topic is not for debugging