python
diff --git a/‎Lib/pathlib/_abc.py
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+4-6Lines changed: 4 additions & 6 deletions b/‎Lib/pathlib/_abc.py
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+4-6Lines changed: 4 additions & 6 deletions
diff --git a/‎Lib/test/test_pathlib/test_pathlib_abc.py
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+3-1Lines changed: 3 additions & 1 deletion b/‎Lib/test/test_pathlib/test_pathlib_abc.py
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+3-1Lines changed: 3 additions & 1 deletion
diff --git a/‎Misc/NEWS.d/next/Library/2024-05-17-17-32-12.gh-issue-119113.kEv1Ll.rst
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+2Lines changed: 2 additions & 0 deletions b/‎Misc/NEWS.d/next/Library/2024-05-17-17-32-12.gh-issue-119113.kEv1Ll.rst
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+2Lines changed: 2 additions & 0 deletions
@@ -225,15 +225,13 @@ def with_suffix(self, suffix):
         string, remove the suffix from the path.
         """
         stem = self.stem
-        if not suffix:
-            return self.with_name(stem)
-        elif not stem:
+        if not stem:
             # If the stem is empty, we can't make the suffix non-empty.
             raise ValueError(f"{self!r} has an empty name")
-        elif suffix.startswith('.') and len(suffix) > 1:
-            return self.with_name(stem + suffix)
-        else:
+        elif suffix and not (suffix.startswith('.') and len(suffix) > 1):
             raise ValueError(f"Invalid suffix {suffix!r}")
+        else:
+            return self.with_name(stem + suffix)
 
     def relative_to(self, other, *, walk_up=False):
         """Return the relative path to another path identified by the passed
 
@@ -999,14 +999,15 @@ def test_with_suffix_windows(self):
         self.assertRaises(ValueError, P('c:a/b').with_suffix, 'c\\d')
         self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c/d')
         self.assertRaises(ValueError, P('c:a/b').with_suffix, '.c\\d')
+        self.assertRaises(TypeError, P('c:a/b').with_suffix, None)
 
     def test_with_suffix_empty(self):
         P = self.cls
         # Path doesn't have a "filename" component.
         self.assertRaises(ValueError, P('').with_suffix, '.gz')
         self.assertRaises(ValueError, P('/').with_suffix, '.gz')
 
-    def test_with_suffix_seps(self):
+    def test_with_suffix_invalid(self):
         P = self.cls
         # Invalid suffix.
         self.assertRaises(ValueError, P('a/b').with_suffix, 'gz')
@@ -1017,6 +1018,7 @@ def test_with_suffix_seps(self):
         self.assertRaises(ValueError, P('a/b').with_suffix, '.c/.d')
         self.assertRaises(ValueError, P('a/b').with_suffix, './.d')
         self.assertRaises(ValueError, P('a/b').with_suffix, '.d/.')
+        self.assertRaises(TypeError, P('a/b').with_suffix, None)
 
     def test_relative_to_common(self):
         P = self.cls
 
@@ -0,0 +1,2 @@
+Fix issue where :meth:`pathlib.PurePath.with_suffix` didn't raise
+:exc:`TypeError` when given ``None`` as a suffix.
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+Fix issue where :meth:`pathlib.PurePath.with_suffix` didn't raise
	`2`	+:exc:`TypeError` when given ``None`` as a suffix.