Fixed xml default namespaces not working correctly for older versions of...

Fixed xml default namespaces not working correctly for older versions of ElementTree (at least until Python 3.7.8) by replacing it with a named one.

jupyter-rdfify/__init__.py

-__version__ = '1.0.1'
+__version__ = '1.0.2'
 
 from IPython.display import display_javascript
 from .jupyter_rdf import JupyterRDF

jupyter-rdfify/table.py

@@ -22,14 +22,14 @@ def display_table(body, mime, logger):
 
 def xml_row_iterator(elem):
     """Iterates a Sparql xml result (http://www.w3.org/2005/sparql-results#) by rows. First result are the column headers."""
-    ns = {"": "http://www.w3.org/2005/sparql-results#"}
+    ns = {"sparql": "http://www.w3.org/2005/sparql-results#"}
     headers = []
-    for head in elem.findall("head/variable", ns):
+    for head in elem.findall("sparql:head/sparql:variable", ns):
         headers.append(head.attrib["name"])
     yield headers
-    for result in elem.findall("results/result", ns):
+    for result in elem.findall("sparql:results/sparql:result", ns):
         row = []
-        for binding in result.findall("binding", ns):
+        for binding in result.findall("sparql:binding", ns):
             n = binding[0]
             if n.tag == "{http://www.w3.org/2005/sparql-results#}literal":
                 lang = n.get("{http://www.w3.org/XML/1998/namespace}lang")

setup.py

@@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
 
 setuptools.setup(
     name="jupyter-rdfify",
-    version="1.0.1",
+    version="1.0.2",
     author="Lars Pieschel",
     author_email="lars.pieschel@rwth-aachen.de",
     description="IPython Extension for semantic web technology support (Turtle, SPARQL, ShEx, etc.)",