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TypeError: Cannot instantiate typing.Union with pydantic-ai.ModelMessage on Pydantic 2.10.1+ (Python 3.9 & 3.11)

When attempting to instantiate pydantic_ai.messages.ModelMessage by providing a list containing a pydantic_ai.messages.TextPart instance to its parts field, a ...
InfoWorld

What’s new in Python 3.10

The latest version of Python sports powerful pattern matching features, better error reporting, and smarter typing syntax for wrapped functions. Python 3.10, the ...
GitHub

[BUG] [question][cutlass-python][CuTe] TypeError: Cannot instantiate typing.Union during JIT compilation and layout algebra on Python 3.12

Hi CUTLASS Team and developers, I'm encountering a persistent TypeError: Cannot instantiate typing.Union when using the nvidia-cutlass-dsl==4.1.0 package with Python ...
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Python developers want static typing

The most-wanted features by Python developers are static typing and strict type hinting, closely followed by performance improvements, Python Software Foundation survey results reveal. Python ...