title: Installing PyXML on ubuntu
body: <p>I need to install PyXML on python 2.7.5,</p>
  
  <pre><code>:~/Desktop/PyXML-0.8.4$ sudo python setup.py install 
  running install
  running build
  running build_py
  running build_ext
  building '_xmlplus.parsers.pyexpat' extension
  x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DXML_NS=1 -DXML_DTD=1 -DBYTEORDER=1234 -DXML_CONTEXT_BYTES=1024 -Iextensions/expat/lib -I/usr/include/python2.7 -c extensions/pyexpat.c -o build/temp.linux-x86_64-2.7/extensions/pyexpat.o
  x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -DXML_NS=1 -DXML_DTD=1 -DBYTEORDER=1234 -DXML_CONTEXT_BYTES=1024 -Iextensions/expat/lib -I/usr/include/python2.7 -c extensions/expat/lib/xmlparse.c -o build/temp.linux-x86_64-2.7/extensions/expat/lib/xmlparse.o
  extensions/expat/lib/xmlparse.c:75:2: error: #error memmove does not exist on this platform, nor is a substitute available
   #error memmove does not exist on this platform, nor is a substitute available
    ^
  error: command 'x86_64-linux-gnu-gcc' failed with exit status 1
  </code></pre>
  
  <p>How I can fix this error?
  EDIT:</p>
  
  <pre><code>~/Desktop/pyhrf-0.2$ sudo apt-get install python2.7-dev
  [sudo] password for vahid: 
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  python2.7-dev is already the newest version.
  0 upgraded, 0 newly installed, 0 to remove and 21 not upgraded.
  </code></pre>
  
  <p>EDIT2:</p>
  
  <pre><code>sudo apt-get install python-xml
  Reading package lists... Done
  Building dependency tree       
  Reading state information... Done
  E: Unable to locate package python-xml
  </code></pre>