nonetype object has no attribute series object has no attribute strftime datetime module has no attribute str object has no attribute strftime error nonetype object has no how to fix pycharm attributeerror nonetype object has no attribute shape opencv resolving nonetype errors error nonetype object has no no attribute strftime error time range condition template attributeerror nonetype esri community attributeerror nonetype object app key is valid but isn t working attributeerror nonetype object has no nonetype object has no attribute nonetype object has no attribute attributeerror nonetype object has attributeerror nonetype esri community attribute error str object has no error nonetype object has no attributeerror nonetype object has no attribute error in odoo str object has no attribute append attributeerror nonetype object has no qwiic kit for raspberry pi v2 attributeerror nonetype esri community python quick start for linux admin philipp m labs forum