<filename>xlsx/namespaces.py
SPREADSHEETML_NS = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'

XML_NS = u'http://www.w3.org/XML/1998/namespace'
NS = {'xml': XML_NS, 'spreadsheetml': SPREADSHEETML_NS}

<filename>xlsx/namespaces.py
SPREADSHEETML_NS = 'http://schemas.openxmlformats.org/spreadsheetml/2006/main'

XML_NS = u'http://www.w3.org/XML/1998/namespace'
NS = {'xml': XML_NS, 'spreadsheetml': SPREADSHEETML_NS}
