fix

rowers/views/apiviews.py

@@ -469,7 +469,10 @@ def strokedata_tcx(request):
         if request.data:
             tcxdata = request.data
             tcxfilename = 'media/{code}.tcx'.format(code=uuid4().hex[:16])
-            xml_string = ET.tostring(tcxdata, encoding='utf-8', method='xml').decode('utf-8')
+            try:
+                xml_string = ET.tostring(tcxdata, encoding='utf-8', method='xml').decode('utf-8')
+            except AttributeError:
+                return HttpResponseNotAllowed("Could not parse TCX data")
         
             with open(tcxfilename, 'w', encoding='utf-8') as xml_file:
                 xml_file.write(xml_string)