[3.12] gh-105713: Document that tokenize raises when mixing tabs/spaces (GH-105723) (#105725)

miss-islington · lysnikolaou · AlexWaygood · web-flow · commit 92929fd20ee5 · 2023-06-13T12:48:43.000+02:00
* gh-105713: Document that tokenize raises when mixing tabs/spaces * Update Doc/whatsnew/3.12.rst (cherry picked from commit ed8217b) Co-authored-by: Lysandros Nikolaou <lisandrosnik@gmail.com> Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
@@ -1498,6 +1498,9 @@ Changes in the Python API
   * Some incomplete or invalid Python code now raises :exc:`tokenize.TokenError` instead of
     returning arbitrary ``ERRORTOKEN`` tokens when tokenizing it.
 
+  * Mixing tabs and spaces as indentation in the same file is not supported anymore and will
+    raise a :exc:`TabError`.
+
 Build Changes
 =============
 
