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Langgraph 0.4.4: ModuleNotFoundError: No module named 'langgraph.cache' #626

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opened 2026-02-20 17:41:01 -05:00 by yindo · 1 comment
yindo commented 2026-02-20 17:41:01 -05:00
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Originally created by @Fred-III-Whiteman on GitHub (May 15, 2025).

Checked other resources

  • This is a bug, not a usage question. For questions, please use GitHub Discussions.
  • I added a clear and detailed title that summarizes the issue.
  • I read what a minimal reproducible example is (https://stackoverflow.com/help/minimal-reproducible-example).
  • I included a self-contained, minimal example that demonstrates the issue INCLUDING all the relevant imports. The code run AS IS to reproduce the issue.

Example Code

from langgraph.graph import StateGraph

graph_builder = StateGraph()

Error Message and Stack Trace (if applicable)

PS C:\LangChain Weaviate Project> py test.py
Traceback (most recent call last):
  File "C:\LangChain Weaviate Project\test.py", line 1, in <module>
    from langgraph.graph import StateGraph
  File "C:\Users\fwhiteman\AppData\Local\Programs\Python\Python312\Lib\site-packages\langgraph\graph\__init__.py", line 1, in <module>
    from langgraph.graph.graph import END, START, Graph
  File "C:\Users\fwhiteman\AppData\Local\Programs\Python\Python312\Lib\site-packages\langgraph\graph\graph.py", line 17, in <module>
    from langgraph.cache.base import BaseCache
ModuleNotFoundError: No module named 'langgraph.cache'

Description

Importing a module in LangGraph 0.4.4 that relies on langgraph.cache.base import BaseCache results in a ModuleNotFoundError: No module named 'langgraph.cache' error.
LangGraph 0.4.3 does not encounter this error.

System Info

System Information

OS: Windows
OS Version: 10.0.19045
Python Version: 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)]

Package Information

langchain_core: 0.3.59
langchain: 0.3.25
langchain_community: 0.3.24
langsmith: 0.3.42
langchain_openai: 0.3.16
langchain_text_splitters: 0.3.8
langchain_weaviate: 0.0.4
langgraph_sdk: 0.1.69

Optional packages not installed

langserve

Other Dependencies

aiohttp<4.0.0,>=3.8.3: Installed. No version info available.
async-timeout<5.0.0,>=4.0.0;: Installed. No version info available.
dataclasses-json<0.7,>=0.5.7: Installed. No version info available.
httpx: 0.28.1
httpx-sse<1.0.0,>=0.4.0: Installed. No version info available.
jsonpatch<2.0,>=1.33: Installed. No version info available.
langchain-anthropic;: Installed. No version info available.
langchain-aws;: Installed. No version info available.
langchain-azure-ai;: Installed. No version info available.
langchain-cohere;: Installed. No version info available.
langchain-community;: Installed. No version info available.
langchain-core<1.0.0,>=0.3.51: Installed. No version info available.
langchain-core<1.0.0,>=0.3.58: Installed. No version info available.
langchain-core<1.0.0,>=0.3.59: Installed. No version info available.
langchain-deepseek;: Installed. No version info available.
langchain-fireworks;: Installed. No version info available.
langchain-google-genai;: Installed. No version info available.
langchain-google-vertexai;: Installed. No version info available.
langchain-groq;: Installed. No version info available.
langchain-huggingface;: Installed. No version info available.
langchain-mistralai;: Installed. No version info available.
langchain-ollama;: Installed. No version info available.
langchain-openai;: Installed. No version info available.
langchain-perplexity;: Installed. No version info available.
langchain-text-splitters<1.0.0,>=0.3.8: Installed. No version info available.
langchain-together;: Installed. No version info available.
langchain-xai;: Installed. No version info available.
langchain<1.0.0,>=0.3.25: Installed. No version info available.
langsmith-pyo3: Installed. No version info available.
langsmith<0.4,>=0.1.125: Installed. No version info available.
langsmith<0.4,>=0.1.17: Installed. No version info available.
numpy: 1.26.4
numpy>=1.26.2;: Installed. No version info available.
numpy>=2.1.0;: Installed. No version info available.
openai-agents: Installed. No version info available.
openai<2.0.0,>=1.68.2: Installed. No version info available.
opentelemetry-api: Installed. No version info available.
opentelemetry-exporter-otlp-proto-http: Installed. No version info available.
opentelemetry-sdk: Installed. No version info available.
orjson: 3.10.18
packaging: 24.2
packaging<25,>=23.2: Installed. No version info available.
pydantic: 2.11.4
pydantic-settings<3.0.0,>=2.4.0: Installed. No version info available.
pydantic<3.0.0,>=2.5.2;: Installed. No version info available.
pydantic<3.0.0,>=2.7.4: Installed. No version info available.
pydantic<3.0.0,>=2.7.4;: Installed. No version info available.
pytest: Installed. No version info available.
PyYAML>=5.3: Installed. No version info available.
requests: 2.32.3
requests-toolbelt: 1.0.0
requests<3,>=2: Installed. No version info available.
rich: Installed. No version info available.
simsimd: 6.2.1
SQLAlchemy<3,>=1.4: Installed. No version info available.
tenacity!=8.4.0,<10,>=8.1.0: Installed. No version info available.
tenacity!=8.4.0,<10.0.0,>=8.1.0: Installed. No version info available.
tiktoken<1,>=0.7: Installed. No version info available.
typing-extensions>=4.7: Installed. No version info available.
weaviate-client: 4.14.3
zstandard: 0.23.0

Originally created by @Fred-III-Whiteman on GitHub (May 15, 2025). ### Checked other resources - [x] This is a bug, not a usage question. For questions, please use GitHub Discussions. - [x] I added a clear and detailed title that summarizes the issue. - [x] I read what a minimal reproducible example is (https://stackoverflow.com/help/minimal-reproducible-example). - [x] I included a self-contained, minimal example that demonstrates the issue INCLUDING all the relevant imports. The code run AS IS to reproduce the issue. ### Example Code ```python from langgraph.graph import StateGraph graph_builder = StateGraph() ``` ### Error Message and Stack Trace (if applicable) ```shell PS C:\LangChain Weaviate Project> py test.py Traceback (most recent call last): File "C:\LangChain Weaviate Project\test.py", line 1, in <module> from langgraph.graph import StateGraph File "C:\Users\fwhiteman\AppData\Local\Programs\Python\Python312\Lib\site-packages\langgraph\graph\__init__.py", line 1, in <module> from langgraph.graph.graph import END, START, Graph File "C:\Users\fwhiteman\AppData\Local\Programs\Python\Python312\Lib\site-packages\langgraph\graph\graph.py", line 17, in <module> from langgraph.cache.base import BaseCache ModuleNotFoundError: No module named 'langgraph.cache' ``` ### Description Importing a module in LangGraph 0.4.4 that relies on `langgraph.cache.base import BaseCache` results in a `ModuleNotFoundError: No module named 'langgraph.cache'` error. LangGraph 0.4.3 does not encounter this error. ### System Info System Information ------------------ > OS: Windows > OS Version: 10.0.19045 > Python Version: 3.12.10 (tags/v3.12.10:0cc8128, Apr 8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)] Package Information ------------------- > langchain_core: 0.3.59 > langchain: 0.3.25 > langchain_community: 0.3.24 > langsmith: 0.3.42 > langchain_openai: 0.3.16 > langchain_text_splitters: 0.3.8 > langchain_weaviate: 0.0.4 > langgraph_sdk: 0.1.69 Optional packages not installed ------------------------------- > langserve Other Dependencies ------------------ > aiohttp<4.0.0,>=3.8.3: Installed. No version info available. > async-timeout<5.0.0,>=4.0.0;: Installed. No version info available. > dataclasses-json<0.7,>=0.5.7: Installed. No version info available. > httpx: 0.28.1 > httpx-sse<1.0.0,>=0.4.0: Installed. No version info available. > jsonpatch<2.0,>=1.33: Installed. No version info available. > langchain-anthropic;: Installed. No version info available. > langchain-aws;: Installed. No version info available. > langchain-azure-ai;: Installed. No version info available. > langchain-cohere;: Installed. No version info available. > langchain-community;: Installed. No version info available. > langchain-core<1.0.0,>=0.3.51: Installed. No version info available. > langchain-core<1.0.0,>=0.3.58: Installed. No version info available. > langchain-core<1.0.0,>=0.3.59: Installed. No version info available. > langchain-deepseek;: Installed. No version info available. > langchain-fireworks;: Installed. No version info available. > langchain-google-genai;: Installed. No version info available. > langchain-google-vertexai;: Installed. No version info available. > langchain-groq;: Installed. No version info available. > langchain-huggingface;: Installed. No version info available. > langchain-mistralai;: Installed. No version info available. > langchain-ollama;: Installed. No version info available. > langchain-openai;: Installed. No version info available. > langchain-perplexity;: Installed. No version info available. > langchain-text-splitters<1.0.0,>=0.3.8: Installed. No version info available. > langchain-together;: Installed. No version info available. > langchain-xai;: Installed. No version info available. > langchain<1.0.0,>=0.3.25: Installed. No version info available. > langsmith-pyo3: Installed. No version info available. > langsmith<0.4,>=0.1.125: Installed. No version info available. > langsmith<0.4,>=0.1.17: Installed. No version info available. > numpy: 1.26.4 > numpy>=1.26.2;: Installed. No version info available. > numpy>=2.1.0;: Installed. No version info available. > openai-agents: Installed. No version info available. > openai<2.0.0,>=1.68.2: Installed. No version info available. > opentelemetry-api: Installed. No version info available. > opentelemetry-exporter-otlp-proto-http: Installed. No version info available. > opentelemetry-sdk: Installed. No version info available. > orjson: 3.10.18 > packaging: 24.2 > packaging<25,>=23.2: Installed. No version info available. > pydantic: 2.11.4 > pydantic-settings<3.0.0,>=2.4.0: Installed. No version info available. > pydantic<3.0.0,>=2.5.2;: Installed. No version info available. > pydantic<3.0.0,>=2.7.4: Installed. No version info available. > pydantic<3.0.0,>=2.7.4;: Installed. No version info available. > pytest: Installed. No version info available. > PyYAML>=5.3: Installed. No version info available. > requests: 2.32.3 > requests-toolbelt: 1.0.0 > requests<3,>=2: Installed. No version info available. > rich: Installed. No version info available. > simsimd: 6.2.1 > SQLAlchemy<3,>=1.4: Installed. No version info available. > tenacity!=8.4.0,<10,>=8.1.0: Installed. No version info available. > tenacity!=8.4.0,<10.0.0,>=8.1.0: Installed. No version info available. > tiktoken<1,>=0.7: Installed. No version info available. > typing-extensions>=4.7: Installed. No version info available. > weaviate-client: 4.14.3 > zstandard: 0.23.0
yindo closed this issue 2026-02-20 17:41:01 -05:00
yindo commented 2026-02-20 17:41:01 -05:00
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@hinthornw commented on GitHub (May 15, 2025):

Duplicate of #4706 (looks like we just made a release)

@hinthornw commented on GitHub (May 15, 2025): Duplicate of #4706 (looks like we just made a release)
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Reference: langchain-ai/langgraph#626
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