Fix SyntaxWarning deduplication with pseudo-filenames

heliang666s · Jun 23, 2025 · Jun 23, 2025 · Jun 23, 2025 · Jun 23, 2025 · Jun 23, 2025
commit 4b056295fa6f622434e94c6c472f6ded42b4014f
diff --git a/...ext/Core_and_Builtins/2024-06-23-10-56-32.gh-issue-135801.fix-warning-dedup.rst b/...ext/Core_and_Builtins/2024-06-23-10-56-32.gh-issue-135801.fix-warning-dedup.rst
@@ -0,0 +1 @@
+Fix warning deduplication regression for SyntaxWarnings with pseudo-filenames (e.g., <stdin>, <string>).
diff --git a/Python/_warnings.c b/Python/_warnings.c
@@ -663,7 +663,7 @@ normalize_module(PyObject *filename)
         PyErr_Clear();
         return PyUnicode_FromString("<unknown>");
     }
-    
+
     if (PyUnicode_GetLength(module_name) == 0) {
         Py_DECREF(module_name);
         return PyUnicode_FromString("<unknown>");
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix warning deduplication regression for SyntaxWarnings with pseudo-filenames (e.g., <stdin>, <string>).