<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def from_dict(d):
 """ load an nparray object from a dictionary @parameter str d: dictionary representing the nparray object """

    if isinstance(d, str):
        return from_json(d)

    if not isinstance(d, dict):
        raise TypeError("argument must be of type dict")
    if 'nparray' not in d.keys():
        raise ValueError("input dictionary missing 'nparray' entry")

    classname = d.pop('nparray').title()
    return getattr(_wrappers, classname)(**d)