KeyError npy_path

The KeyError: 'npy_path' error indicates that a dictionary or other data structure is being accessed with a key that does not exist. Specifically, 'npy_path' is the key that is missing. This error can occur in a variety of situations, such as when trying to access a non-existent key in a dictionary, or when trying to access a non-existent attribute in an object.

To fix this error, you should check to make sure that the key 'npy_path' exists in the dictionary or data structure that you are trying to access. If it does not exist, you may need to add it or modify your code to use a different key. Alternatively, you may need to check your code for typos or other errors that could be causing the key to be misspelled or incorrectly referenced