Unable to Update Inventory using Python etsy2

[Rookie]

I am having difficulties updating inventory via the etsy2 package for Python.  When I call update_inventory, I get an error reported that appears to indicate that I haven't specified the product correctly:

"Value for products was not a valid JSON string."

According to the documentation here:

https://www.etsy.com/developers/documentation/getting_started/inventory#section_writing_inventory

You can take the returned value from getInventory, modify it, and send it back again with updateInventory.

I am trying to do this via the Python etsy2 package here:

https://pypi.org/project/etsy2/

I believe that I have the correct permission scopes specified for my oauth, as I am able to see inventory in listings queries. The relevant snippet of code is below.  I get the inventory for a given listing, then step through the product offerings.  If a product matches the sky that I am looking for, I adjust the quantity.  From the pprint statements, the adjustment appears to be correct.  I then attempt to call updateInventory and pass the products in, which is where the error is reported.

inventory = etsy.getInventory(listing_id=listing_id)

pprint(inventory)

for product in inventory['products']:

if product['sku'].upper() == sku:

product['offerings'][0]['quantity'] += adjustment

pprint(inventory)

print("Updating")

etsy.updateInventory(listing_id=listing_id, products = inventory['products'])

Do I need to change the format of the inventory['products'] before passing to the updateInventory method?  It doesn't appear to be symmetric between the getInventory return value and the updateInventory parameters.

[david olick]

What is an example JSON string you are sending?

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