Fixes #1680

gluon/sqlhtml.py

@@ -405,7 +405,7 @@ class RadioWidget(OptionsWidget):
         cols = attributes.get('cols', 1)
         totals = len(options)
         mods = totals % cols
-        rows = totals / cols
+        rows = totals // cols
         if mods:
             rows += 1
 
@@ -471,7 +471,7 @@ class CheckboxesWidget(OptionsWidget):
         cols = attributes.get('cols', 1)
         totals = len(options)
         mods = totals % cols
-        rows = totals / cols
+        rows = totals // cols
         if mods:
             rows += 1