Basic example doesn't work #64
Description
Using last version of untangle as of today :
import untangle
obj = untangle.parse(b)
Traceback (most recent call last):
File "<input>", line 1, in <module>
File "...\eb-virt\lib\site-packages\untangle.py", line 180, in parse
parser.parse(filename)
File "...\python36\Lib\xml\sax\expatreader.py", line 105, in parse
source = saxutils.prepare_input_source(source)
File "...\python36\Lib\xml\sax\saxutils.py", line 348, in prepare_input_source
if isinstance(f.read(0), str):
TypeError: 'NoneType' object is not callable