René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"python -m asyncio and breakpoint() will fovever error loop and mess up the terminal","articleBody":"# Bug report\n\n### Bug description:\n\n```cli\n# Add a code block here, if required\n➜  cpython git:(main) ./python.exe -m asyncio\nasyncio REPL 3.15.0a0 (heads/hy/close_new_repl_error_mess:b194f8fae6, Sep 12 2025, 19:50:01) [Clang 17.0.0 (clang-1700.0.13.5)] on darwin\nUse \"await\" directly instead of \"asyncio.run()\".\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n\u003e\u003e\u003e import asyncio\n\u003e\u003e\u003e breakpoint()\n\u003e \u003cpython-input-0\u003e(1)\u003cmodule\u003e()\n(Pdb) n\n--Return--\n\u003e \u003cpython-input-0\u003e(1)\u003cmodule\u003e()-\u003eNone\n(Pdb) n\n\u003e /Users/yihong/repos/cpython/Lib/asyncio/__main__.py(57)callback()\n-\u003e if not inspect.iscoroutine(coro):\n(Pdb) n\n\u003e /Users/yihong/repos/cpython/Lib/asyncio/__main__.py(58)callback()\n-\u003e future.set_result(coro)\n(Pdb)\n```\nthen type `n` twice the terminal will boom \n\n\u003cimg width=\"2296\" height=\"1269\" alt=\"Image\" src=\"https://github.com/user-attachments/assets/681c08bf-7b11-408f-8be8-6b8d96e716d1\" /\u003e\n\n\n\n\n### CPython versions tested on:\n\nCPython main branch\n\n### Operating systems tested on:\n\nmacOS","author":{"url":"https://github.com/yihong0618","@type":"Person","name":"yihong0618"},"datePublished":"2025-09-12T11:54:53.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/138827/cpython/issues/138827"}