title: yum stopped working with error No module named transactioninfo
body: <p>Removed the following files by mistake and as a result <code>yum</code> stopped working. </p>
  
  <p>Any idea what rpms exactly we need to re-install?</p>
  
  <pre><code>./abrt_exception_handler.pyo
  ./abrt_exception_handler.pyc
  ./abrt.pth
  ./abrt_exception_handler.py
  ./yum/sqlitesack.pyo
  ./yum/rpmsack.pyo
  ./yum/packages.pyo
  ./yum/misc.pyo
  ./yum/metalink.pyo
  ./yum/__init__.pyo
  ./yum/history.pyo
  ./yum/depsolve.pyo
  ./rpmUtils/miscutils.pyo
  ./yum/yumRepo.pyo
  ./yum/yumRepo.pyc
  ./yum/yumRepo.py
  ./yum/update_md.pyo
  ./yum/update_md.pyc
  ./yum/update_md.py
  ./yum/transactioninfo.pyo
  ./yum/transactioninfo.pyc
  ./yum/transactioninfo.py
  ./yum/sqlutils.pyo
  ./yum/sqlutils.pyc
  ./yum/sqlutils.py
  </code></pre>