readyState is equal 4 but the responseXML is empty

I’m using the « GET » method in a synchr开发者_如何学Pythononus way but I have noticed that the responseXML is empty even the readyState value is equal to 4 Which means the response is delivered form the server side Anyone have an idea ? why the response is empty

Many thanks in advance

Because target document returns nothing, maybe? Look ! //sandbox.phpcode.eu/g/empty.php

Maybe the MIME-type of the result isn't

text/xml

or

application/xml

for some reason.