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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def encode(self, obj):
 """Returns ``obj`` serialized as a pickle binary string. Raises ------ ~ipfsapi.exceptions.EncodingError Parameters obj : object Serializable Python object Returns ------- bytes """

        try:
            return pickle.dumps(obj)
        except pickle.PicklingError as error:
            raise exceptions.EncodingError('pickle', error)