id,summary,reporter,owner,description,type,status,component,version,severity,resolution,keywords,cc,stage,has_patch,needs_docs,needs_tests,needs_better_patch,easy,ui_ux 3140,"""float argument required"" exception in admin_list",nick@…,Adrian Holovaty,"I get the following exception in the admin app when trying to view a list of objects with a float field in the list_display options: Exception Type: TypeError Exception Value: float argument required Exception Location: /usr/lib/python2.4/site-packages/django/contrib/admin/templatetags/admin_list.py in items_for_result, line 155 However, I don't get this error on my development server which is running SQLite (my ""production"" server is running MySQL). The code in question: {{{ 152 # FloatFields are special: Zero-pad the decimals. 153 elif isinstance(f, models.FloatField): 154 if field_val is not None: 155 result_repr = ('%%.%sf' % f.decimal_places) % field_val 156 else: 157 result_repr = EMPTY_CHANGELIST_VALUE }}} If I add a float() around the field_val it fixes the problem, e.g.: {{{ 152 # FloatFields are special: Zero-pad the decimals. 153 elif isinstance(f, models.FloatField): 154 if field_val is not None: 155 result_repr = ('%%.%sf' % f.decimal_places) % float(field_val) 156 else: 157 result_repr = EMPTY_CHANGELIST_VALUE }}} It looks like the MySQL backend is returning a string for the field_val or something?",defect,closed,contrib.admin,dev,normal,duplicate,,,Unreviewed,0,0,0,0,0,0