Why qwen-agent=0.3.33 need a specific pydantic version?

[zucanlv]

I find that qwen-agent=0.3.33 need pydantic version exactly equal 2.9.2. It is too likely to cause version conflict with other packages.

pip install -U "qwen-agent[gui,rag,code_interpreter,mcp]"
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Installing collected packages: pydantic-core, pydantic
  Attempting uninstall: pydantic-core
    Found existing installation: pydantic_core 2.41.5
    Uninstalling pydantic_core-2.41.5:
      Successfully uninstalled pydantic_core-2.41.5
  Attempting uninstall: pydantic
    Found existing installation: pydantic 2.12.5
    Uninstalling pydantic-2.12.5:
      Successfully uninstalled pydantic-2.12.5
**ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
openai-harmony 0.0.4 requires pydantic>=2.11.7, but you have pydantic 2.9.2 which is incompatible.**
Successfully installed pydantic-2.9.2 pydantic-core-2.23.4