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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"invalid signature for math.hypot","articleBody":"```python\r\n\u003e\u003e\u003e import math\r\n\u003e\u003e\u003e import inspect\r\n\u003e\u003e\u003e inspect.signature(math.hypot) \r\nTraceback (most recent call last):\r\n  File \"\u003cstdin\u003e\", line 1, in \u003cmodule\u003e\r\n  File \"/home/sk/src/cpython/Lib/inspect.py\", line 3295, in signature\r\n    return Signature.from_callable(obj, follow_wrapped=follow_wrapped,\r\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\n  File \"/home/sk/src/cpython/Lib/inspect.py\", line 3039, in from_callable\r\n    return _signature_from_callable(obj, sigcls=cls,\r\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\n  File \"/home/sk/src/cpython/Lib/inspect.py\", line 2531, in _signature_from_callable\r\n    return _signature_from_builtin(sigcls, obj,\r\n           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\r\n  File \"/home/sk/src/cpython/Lib/inspect.py\", line 2330, in _signature_from_builtin\r\n    raise ValueError(\"no signature found for builtin {!r}\".format(func))\r\nValueError: no signature found for builtin \u003cbuilt-in function hypot\u003e\r\n```\r\n\r\nThis patch works:\r\n```diff\r\ndiff --git a/Modules/mathmodule.c b/Modules/mathmodule.c\r\nindex 1342162fa7..0e610eb9cb 100644\r\n--- a/Modules/mathmodule.c\r\n+++ b/Modules/mathmodule.c\r\n@@ -2805,7 +2805,9 @@ math_hypot(PyObject *self, PyObject *const *args, Py_ssize_t nargs)\r\n #undef NUM_STACK_ELEMS\r\n \r\n PyDoc_STRVAR(math_hypot_doc,\r\n-             \"hypot(*coordinates) -\u003e value\\n\\n\\\r\n+             \"hypot($module, *coordinates)\\n\\\r\n+--\\n\\\r\n+\\n\\\r\n Multidimensional Euclidean distance from the origin to a point.\\n\\\r\n \\n\\\r\n Roughly equivalent to:\\n\\\r\n```\r\n\n\n\u003c!-- gh-linked-prs --\u003e\n### Linked PRs\n* gh-101124\n* gh-126235\n\u003c!-- /gh-linked-prs --\u003e\n","author":{"url":"https://github.com/skirpichev","@type":"Person","name":"skirpichev"},"datePublished":"2023-01-18T09:19:55.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":5},"url":"https://github.com/101123/cpython/issues/101123"}