(py-beginning-of-def-or-class): Only move to match-beginning if the
regex match actually succeeded!
diff --git a/Misc/python-mode.el b/Misc/python-mode.el
index d30c1b3..643f2f2 100644
--- a/Misc/python-mode.el
+++ b/Misc/python-mode.el
@@ -2164,8 +2164,8 @@
(zerop (current-column))
(looking-at start-re))
(end-of-line))
- (re-search-backward start-re nil 'move count)
- (goto-char (match-beginning 0))))
+ (if (re-search-backward start-re nil 'move count)
+ (goto-char (match-beginning 0)))))
;; Backwards compatibility
(defalias 'beginning-of-python-def-or-class 'py-beginning-of-def-or-class)