ImportError: cannot import name 'GenericModel' from 'pydantic'

In Pydantic V2, GenericModel was removed. Generic models now inherit directly from BaseModel with Generic[T].

💡 Verified Solution

Inherit directly from BaseModel and typing.Generic[T] instead of GenericModel.

Patch / Unified Code Diff:

--- old.py
+++ new.py
@@ -1,3 +1,3 @@
-from pydantic.generics import GenericModel
-class Response(GenericModel, Generic[T]):
+from pydantic import BaseModel
+class Response(BaseModel, Generic[T]):

Official Primary Reference: https://docs.pydantic.dev/2.0/migration/#generic-models

🧪 Sandbox Execution Evidence

Exit Code: 0

Tests Passed: 1 / 1

Confidence: 99%

Protocol: MCP 2026

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