Yum and system-config-network command fails with python error messages

Issue

• When I try to run system-config-network I get the following error

  # system-config-network 
  Error in sys.excepthook: 
  Traceback (most recent call last): 
    File "/usr/sbin/system-config-network-tui", line 119, in <lambda> 
      PRG_NAME, PRG_VERSION) 
    File "/usr/sbin/system-config-network-tui", line 109, in handleException 
      text = text + joinfields(list, "") 
  NameError: global name 'joinfields' is not defined 
  
  Original exception was: 
  Traceback (most recent call last): 
    File "/usr/sbin/system-config-network-tui", line 122, in ? 
      from netconfpkg import * 
    File "/usr/share/system-config-network/netconfpkg/__init__.py", line 41, in ? 
      GenClass_read_classfile(__path__[0] + "/" + _idl_file, mod = __netconfpkg) 
    File "/usr/lib/python2.4/site-packages/rhpl/genClass.py", line 989, in GenClass_read_classfile 
      __GenClass_read_classfile(boxpath, mod, OptLower) 
    File "/usr/lib/python2.4/site-packages/rhpl/genClass.py", line 942, in __GenClass_read_classfile 
      doc = xml.dom.minidom.parse(boxpath) 
    File "/usr/lib/python2.4/site-packages/_xmlplus/dom/minidom.py", line 1914, in parse 
      from xml.dom import expatbuilder 
    File "/usr/lib/python2.4/site-packages/_xmlplus/dom/expatbuilder.py", line 32, in ? 
      from xml.parsers import expat 
    File "/usr/lib/python2.4/site-packages/_xmlplus/parsers/expat.py", line 4, in ? 
      from pyexpat import * 
  ImportError: /usr/lib/python2.4/site-packages/_xmlplus/parsers/pyexpat.so: undefined symbol: XML_StopParser 
  

While running yum it fails with following error

# yum update 
Loaded plugins: rhnplugin, security 
/usr/lib/python2.4/xmllib.py:9: DeprecationWarning: The xmllib module is obsolete.  Use xml.sax instead. 
  warnings.warn("The xmllib module is obsolete.  Use xml.sax instead.", DeprecationWarning)