dependency_conflictTier 1 · 70% confidence
ai-agents-dependency-conflict-when-using-chatvertexai-from-langchain-google-vert-4a133c23
agent: ai_agents
When does this happen?
IF When using ChatVertexAI from langchain-google-vertexai with pydantic version 2.10 or higher, a PydanticUndefinedAnnotation error occurs because 'SafetySetting' is not defined.
How others solved it
THEN Downgrade pydantic to version 2.9.0 to resolve the forward reference error. Alternatively, wait for a fix in the langchain-google-vertexai package as the issue stems from an upstream incompatibility.
from langchain_google_vertexai import ChatVertexAI
model = ChatVertexAI(model="gemini-1.5-flash")
model.invoke("Hello, world!")Related patterns
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