ModuleNotFoundError: No module named 'langchain.docstore' - but, pip show langchain shows ok/installed. pip install -u langhain(no impact - requirement already installed)

[rwheeler-7864]

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Example Code

#  fist we will use the Hugging Face datasets library to load the dataset
# and convert it into a list of Document objects from the langchain.docstore.document module.

import datasets
#  trying any of these
#from langchain.schema import Document  # Try this first
#
#from langchain.docstore.document import Document  # For older versions
#
from langchain.schema import Document  # Try this first
# from langchain.docstore.document import Document  # For older versions

print(Document)

# Load the dataset
guest_dataset = datasets.load_dataset("agents-course/unit3-invitees", split="train")

Description

ModuleNotFoundError: No module named 'langchain.docstore' - but, pip show langchain shows ok/installed. pip install -u langhain(no impact - requirement already installed) - I'm working on creating an agent use langchain and the hugging face dataset as you see in the code. But can't seem to get past this langchain issue. i'm sure its my environment. i uninstalled langchain, reinstalled, restared with a completely new workspace, same issue, even with a new virtual env.

System Info

robwheeler@Roberts-MacBook-Pro src % pip freeze | grep langchain
langchain==0.3.22
langchain-core==0.3.49
langchain-text-splitters==0.3.7

robwheeler@Roberts-MacBook-Pro src % python3 --version
Python 3.11.0