langchain-ai/langgraph · error · LangGraphDeprecatedSinceV10

Importing from langgraph.pregel.types is deprecated. Please

Error message

Importing from langgraph.pregel.types is deprecated. Please use 'from langgraph.types import ...' instead.

What it means

Error "Importing from langgraph.pregel.types is deprecated. Please use 'from langgraph.types import ...' instead." thrown in langchain-ai/langgraph.

Source

Thrown at libs/langgraph/langgraph/pregel/types.py:33

__all__ = [
    "All",
    "StateUpdate",
    "CachePolicy",
    "PregelExecutableTask",
    "PregelTask",
    "RetryPolicy",
    "StateSnapshot",
    "StreamMode",
    "StreamWriter",
    "default_retry_on",
]

from warnings import warn

from langgraph.warnings import LangGraphDeprecatedSinceV10

warn(
    "Importing from langgraph.pregel.types is deprecated. "
    "Please use 'from langgraph.types import ...' instead.",
    LangGraphDeprecatedSinceV10,
    stacklevel=2,
)

View on GitHub (pinned to 38031739e5)

When it happens

Trigger: Thrown at libs/langgraph/langgraph/pregel/types.py:33 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of langchain-ai/langgraph@38031739e5 (2026-08-26). Data as JSON: /api/errors/e7b5f7c1a3382e7a. Report an issue: GitHub.