--- a/cubicweb/web/views/sparql.py	Thu Dec 19 08:13:22 2019 +0100
+++ b/cubicweb/web/views/sparql.py	Thu Dec 19 08:13:52 2019 +0100
@@ -35,6 +35,7 @@
     # fyzz not available (only a recommends)
     Sparql2rqlTranslator = None
 
+
 class SparqlForm(forms.FieldsForm):
     __regid__ = 'sparql'
     sparql = formfields.StringField(help=_('type here a sparql query'))
@@ -50,6 +51,7 @@
 
 class SparqlFormView(form.FormViewMixIn, StartupView):
     __regid__ = 'sparql'
+
     def call(self):
         form = self._cw.vreg['forms'].select('sparql', self._cw)
         form.render(w=self.w)
@@ -94,11 +96,13 @@
     'Interval': 'duration',
     'Bytes': 'base64Binary',
     'Password': 'string',
-    }
+}
+
 
 def xmlschema(yamstype):
     return 'http://www.w3.org/2001/XMLSchema#%s' % YAMS_XMLSCHEMA_MAPPING[yamstype]
 
+
 class SparqlResultXmlView(AnyRsetView):
     """The spec can be found here: http://www.w3.org/TR/rdf-sparql-XMLres/
     """
@@ -138,6 +142,7 @@
                                   filename='sparql.xml',
                                   encoding=self._cw.encoding)
 
+
 def registration_callback(vreg):
     if Sparql2rqlTranslator is not None:
         vreg.register_all(globals().values(), __name__)