re-establish py 2.4 compatibility
re-establish py 2.4 compatibility

marmolu/psutil,vmolsa/psutil,skyshe/psutil,Alwnikrotikz/psutil,AlanZatarain/psutil,anfedorov/psutil,peter-hst/psutil,zhengzheng/psutil,stupidcache/psutil,stupidcache/psutil,tigerneil/psutil,end18/psutil,skyshe/psutil,google-code-export/psutil,djhaskin987/psutil,end18/psutil,anfedorov/psutil,PFZheng/psutil,tigerneil/psutil,nmani1905/psutil,skyshe/psutil,marmolu/psutil,chjwang/psutil,kiranvizru/psutil,shiva21/psutil,stupidcache/psutil,google-code-export/psutil,kiranvizru/psutil,Alwnikrotikz/psutil,vmolsa/psutil,creativewild/psutil,jucapj/psutil,creativewild/psutil,zhengzheng/psutil,nmani1905/psutil,huson2012/psutil,end18/psutil,djhaskin987/psutil,djhaskin987/psutil,jucapj/psutil,AlanZatarain/psutil,end18/psutil,djhaskin987/psutil,chjwang/psutil,shiva21/psutil,google-code-export/psutil,skyshe/psutil,google-code-export/psutil,vmolsa/psutil,tigerneil/psutil,huson2012/psutil,PFZheng/psutil,huson2012/psutil,creativewild/psutil,tigerneil/psutil,vmolsa/psutil,peter-hst/psutil,kiranvizru/psutil,kiranvizru/psutil