How to Fulfill Order using Python API

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Hey everyone, It has been two weeks since I am trying to fulfill orders using Python API.
I have all the scopes mentioned by Shopify to fulfill the order. 


I did a lot of research in the past two weeks and tried a lot of different codes but still had no luck with any of them. 

Can someone please help me to get out of this hell, it has been so annoying now. 


I am sharing the code that I am using right now.


new_orders = shopify.Order.find()
for order in new_orders:
    fo = shopify.FulfillmentOrders.find([0]
    location = fo.assigned_location_id
    fulfillable_quantity = fo.line_items[0].fulfillable_quantity
    fulfillment = shopify.Fulfillment({
    fulfillment.location_id = location
    fulfillment.notify_customer = True
    fulfillment.message = 'The package has been shipped this morning'

    fulfillment.tracking_info = {
        "number": "11111111",
        "url": "",
        "company": "USPS"

    fulfillment.line_items_by_fulfillment_order = [
        "fulfillment_order_line_items": [
            "id": fo.line_items[0].id,
            "quantity": fulfillable_quantity

The error that I am getting is for Resource.

HTTPError                                 Traceback (most recent call last)
/usr/local/lib/python3.10/dist-packages/pyactiveresource/ in _open(self, method, path, headers, data)
    285             try:
--> 286                 http_response = self._handle_error(self._urlopen(request))
    287             except urllib.error.HTTPError as err:

12 frames
HTTPError: HTTP Error 404: Not Found

During handling of the above exception, another exception occurred:

ResourceNotFound                          Traceback (most recent call last)
/usr/local/lib/python3.10/dist-packages/pyactiveresource/ in _handle_error(self, err)
    417             raise ForbiddenAccess(err)
    418         elif err.code == 404:
--> 419             raise ResourceNotFound(err)
    420         elif err.code == 405:
    421             raise MethodNotAllowed(err)

ResourceNotFound: Not Found:
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