gdb arrow disappears when python-mode is loaded

[Brian Lalor]

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In GNU Emacs 21.2.1 (i386-redhat-linux-gnu, X toolkit, Xaw3d scroll bars)
 of 2002-05-06 on webtech13
configured using `configure  i386-redhat-linux --prefix=/usr --exec-prefix=/usr 
--bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share 
--includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec 
--localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/man 
--infodir=/usr/info --with-gcc --with-pop --with-sound'
Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US
  locale-coding-system: iso-latin-1
  default-enable-multibyte-characters: t

Please describe exactly what actions triggered the bug
and the precise symptoms of the bug:

When using gud-mode in this version of emacs running under X with python-mode,
the arrow that points to the currently executing line is hidden.  It can
usually be made to reappear by redrawing the screen (C-c C-l).  If I remove
all references to "(require 'python-mode)" from site-start and ~/.emacs, the
arrow re-appears.  This was mentioned in May in gnu.emacs.help[1].

[1] 
http://groups.google.com/groups?selm=vfn0utd3vw.fsf%40rpc71.cs.man.ac.uk&oe=UTF-8&output=gplain


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