---
type: email
from: Kazuhiro Sera <notifications@github.com>
subject: Re: [openai/openai-agents-python] TypeError: Cannot instantiate

 typing.Union when calling tools due to misuse of TypeAlias in

 chatcmpl_converter.py (Issue #1416)
received: 2026-03-05 09:58:00
date_header: Mon, 11 Aug 2025 02:47:57 -0700
priority: high
status: awaiting_approval
uid: 27147
---

## Email Content

**From:** Kazuhiro Sera <notifications@github.com>
**Subject:** Re: [openai/openai-agents-python] TypeError: Cannot instantiate

 typing.Union when calling tools due to misuse of TypeAlias in

 chatcmpl_converter.py (Issue #1416)
**Date:** Mon, 11 Aug 2025 02:47:57 -0700

### Body (preview)

Closed #1416 as completed.



-- 

Reply to this email directly or view it on GitHub:

https://github.com/openai/openai-agents-python/issues/1416#event-19084254836

You are receiving this because you are subscribed to this thread.



Message ID: <openai/openai-agents-python/issue/1416/issue_event/19084254836@github.com>

---

## Suggested Actions
- [ ] Reply
- [ ] Archive
- [ ] Escalate
