fix BatchRequestItem now properly serializes the header and body fields #959
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Overview
The batch request item serialization does not currently work for the header and body fields. For both of them, a dictionary is being passed to the write_collection_of_object_values, which is supposed to be given a list of parsable objects. An ignore type annotation is being given to silence the error.
I've replaced the method with write_additional_data_value. This method accepts a dictionary of arbitrary types, so it's able to handle the deserialized json string for the body.
Demo
Notes
The write_additional_data_value is not intended to be used in this way, and is usually used to handle excess fields that may be included in the body of a request, but are not part of the parsable model class. A dedicated method for serializing dicts is probably needed.
Testing Instructions