20: error: Missing named argument "json_list_of_ints" for "Model"  [call-arg]
20: error: List item 1 has incompatible type "str"; expected "int"  [list-item]
20: error: List item 2 has incompatible type "bytes"; expected "int"  [list-item]
22: error: Unsupported operand types for + ("int" and "str")  [operator]
23: error: Unsupported operand types for + ("int" and "str")  [operator]
