GH-100530: Change the error message for non-class class patterns (GH-…

…103576)
python · Apr 18, 2023 · 07804ce · 07804ce
1 parent 78cac52
commit 07804ce
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diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-04-16-14-38-39.gh-issue-100530.OR6-sn.rst b/Misc/NEWS.d/next/Core and Builtins/2023-04-16-14-38-39.gh-issue-100530.OR6-sn.rst
@@ -0,0 +1 @@
+Clarify the error message raised when the called part of a class pattern isn't actually a class.
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -416,7 +416,7 @@ match_class(PyThreadState *tstate, PyObject *subject, PyObject *type,
  Py_ssize_t nargs, PyObject *kwargs)
 {
  if (!PyType_Check(type)) {
- const char *e = "called match pattern must be a type";
+ const char *e = "called match pattern must be a class";
  _PyErr_Format(tstate, PyExc_TypeError, e);
  return NULL;
  }