Bugfix in 'rows' and 'cols' options for text fields.

examples/megacorp_acc/megacorp_acc.json

@@ -174,7 +174,9 @@
                 {
                     "name": "comment",
                     "title": "Comment",
-                    "type": "text"
+                    "type": "text",
+                    "rows": 10,
+                    "cols": 80
                 }
             ]
         }

src/scriptform.py

@@ -865,8 +865,8 @@ class ScriptFormWebApp(WebAppHandler):
                 params['max'] = field.get("max", '')
 
             if field['type'] in ('text'):
-                params['rows'] = field.get("rows", ''),
+                params['rows'] = field.get("rows", '')
-                params['cols'] = field.get("cols", ''),
+                params['cols'] = field.get("cols", '')
 
             if field['type'] == 'radio':
                 if not form_values.get(field['name'], None):