inspectdb on legacy postgres db non iterable nonetype object cannot unpack non iterable nonetype cannot unpack non iterable nonetype gis tyrror cannot unpack non tyrror cannot unpack non iterable geo地理图表 nonetype object is not iterable transformers hugging face geo地理图表 cannot unpack non iterable nonetype object python tyrror nonetype object is 解决cannot unpack non iterable nonetype cannot unpack non iterable nonetype cannot unpack non iterable int object cannot unpack non iterable nonetype cannot unpack non iterable int object cannot unpack non iterable int object solving python error tyrror solved python set 4 define a function nonetype object is not iterable find overlaps intelligence bug esri cannot unpack non iterable nonetype iterable cv2 object locally returns cannot unpack non iterable int object cannot unpack non iterable nonetype object