Excuse me:
Python ElementTree written after the XML editing, all tags are automatically added ns0:
How to let him not automatically add ns0:


Such as the original file:

 
 512 & lt;/FileAlignment> 
 The publish \ & lt;/PublishUrl> 

Python ElementTree written after editing, becomes a

 
 512 & lt;/ns0: FileAlignment> 
 The publish \ & lt;/ns0: PublishUrl>