bundlepmw.pyo: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/lib/python2.6/site-packages/Pmw/Pmw_1_3/bin/bundlepmw.pyo - from package: python-pmw

You may install the required package with command yum install {package}
Error in other languages:
bundlepmw.pyo: bevel nie gevind nie
bundlepmw.pyo: comandă negăsită
bundlepmw.pyo: comando não encontrado
bundlepmw.pyo: commande introuvable
bundlepmw.pyo: command not found
bundlepmw.pyo: käsku ei ole
bundlepmw.pyo: không tìm thấy lệnh
bundlepmw.pyo: komanda nerasta
bundlepmw.pyo: Kommando nicht gefunden.
bundlepmw.pyo: kommandot finns inte
bundlepmw.pyo: komut yok
bundlepmw.pyo: nie znaleziono polecenia
bundlepmw.pyo: níor aimsíodh an t-ordú
bundlepmw.pyo: no se encontró la orden
bundlepmw.pyo: no s'ha trobat l'ordre
bundlepmw.pyo: opdracht niet gevonden
bundlepmw.pyo: parancs nem található
bundlepmw.pyo: perintah tidak ditemukan
bundlepmw.pyo: príkaz nenájdený
bundlepmw.pyo: příkaz nenalezen
bundlepmw.pyo: команда не найдена
bundlepmw.pyo: командата не е открита
bundlepmw.pyo: 命令找不到
bundlepmw.pyo: コマンドが見つかりません