[Python] Problem with sending data with exceptions

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If you send the data that I put on the first post, you can see what’s going on.
Send it as extra data in the context:

{
  "cart_id": "string",
  "field": {
    "creation_date": "2019-10-23 01:16:05",
    "field": 0,
    "field-1": "string",
    "id": "string",
    "ip": "string",
    "items": {
      "feild": [
        {
          "field-1": "string",
          "field-2": "string",
          "field-3": "string",
          "item": {
            "field-1": "string",
            "field-2": "string",
            "field-3": "string",
            "field-4": "string"
          },
          "item_type": "string",
          "price": 0
        }
      ],
      "plan-refund": [
        {
          "field-1": "string",
          "field-2": "string",
          "field-3": "string",
          "field-4": "string",
          "field-5": "string",
          "type": "1"
        },
        {
          "field-1": "string",
          "field-2": "string",
          "field-3": "string",
          "field-4": "string",
          "field-5": "string",
          "type": "2"
        },
        {
          "field-1": "string",
          "field-2": "string",
          "field-3": "string",
          "field-4": "string",
          "field-5": "string",
          "type": "3"
        },
        {
          "field-1": "string",
          "field-2": "string",
          "field-3": "string",
          "field-4": "string",
          "field-5": "string",
          "type": "4"
        }
      ]
    },
    "status": "failed",
    "uid": "string"
  },
  "uid": "string"
}