tkinter AttributeError: 'NoneType' object has no attribute 'pack' code example
Example 1: AttributeError: module 'tkinter' has no attribute 'x'
AttributeError: module 'tkinter' has no attribute 'x'
Example 2: AttributeError: 'list' object has no attribute 'dtypes'
data = np.array(data, dtype=np.float32)