[Python] What is the correct way in python to annotate a path with type hints? [duplicate]

What is the proper way to annotate this simple utility function in python3 that reads from a file? It should accept pathlib.Path objects as well as any other common way of passing a path.

def read_json(path: <TYPE HINT>):
with open(path, 'rb') as f:
data = json.load(f)
return data


It seems to me as if this topic is in flux and I couldn't find a good place where this information was collected. I am interested in how to handle this in python 3.6, 3.7 and 3.8.

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