Python 3.5 issue - SystemError: <built-in function xmlReadFile> returned a result with an error set

Hi,

anyone seen following error when running Python regression tests? This 
is just with Python 3.5. Pythons 2.7 and 3.4 are ok (I haven't tested 
Python 3.6).

Any idea?

Thanks,

Petr


## running Python regression tests
TypeError: 'NoneType' object is not callable

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
   File 
"/builds/psumbera/userland-libxml2-2.9.5/components/libxml2/libxml2-2.9.5/python/tests/tstLastError.py", 
line 80, in <module>
     test.test1()
   File 
"/builds/psumbera/userland-libxml2-2.9.5/components/libxml2/libxml2-2.9.5/python/tests/tstLastError.py", 
line 62, in test1
     line=0)
   File 
"/builds/psumbera/userland-libxml2-2.9.5/components/libxml2/libxml2-2.9.5/python/tests/tstLastError.py", 
line 30, in failUnlessXmlError
     f(*args)
   File 
"/builds/psumbera/userland-libxml2-2.9.5/components/libxml2/libxml2-2.9.5/python/libxml2.py", 
line 1374, in readFile
     ret = libxml2mod.xmlReadFile(filename, encoding, options)
SystemError: <built-in function xmlReadFile> returned a result with an 
error set
-- tstLastError.py