"title": "Location",
                        },
                        "msg": {"type": "string", "title": "Message"},
                        "type": {"type": "string", "title": "Error Type"},
                    },
                    "type": "object",
                    "required": ["loc", "msg", "type"],
                    "title": "ValidationError",
                },
            }
        },

                        },
                    },
                },
                "ValidationError": {
                    "title": "ValidationError",
                    "required": ["loc", "msg", "type"],
                    "type": "object",
                    "properties": {
                        "loc": {
                            "title": "Location",
                            "type": "array",

                        }
                    },
                },
                "ValidationError": {
                    "title": "ValidationError",
                    "required": ["loc", "msg", "type"],
                    "type": "object",
                    "properties": {
                        "loc": {
                            "title": "Location",
                            "type": "array",

		}
	}
	return true, ""
}

func TestCmpReaders(t *testing.T) {
	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abc"))
		ok, msg := cmpReaders(r1, r2)
		if !ok || msg != "" {
			t.Fatalf("unexpected")
		}
	}

	{
		r1 := bytes.NewReader([]byte("abc"))
		r2 := bytes.NewReader([]byte("abcd"))
		ok, _ := cmpReaders(r1, r2)
		if ok {

			eps, err := NewEndpoints(setLayout...)
			if err != nil {
				return nil, setupType, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
			}

			// Check for cross device mounts if any.
			if err = checkCrossDeviceMounts(eps); err != nil {
				return nil, setupType, config.ErrInvalidErasureEndpoints(nil).Msg(err.Error())
			}

			for diskIdx := range eps {
				eps[diskIdx].SetPoolIndex(poolIdx)

                        }
                    },
                },
                "ValidationError": {
                    "title": "ValidationError",
                    "required": ["loc", "msg", "type"],
                    "type": "object",
                    "properties": {
                        "loc": {
                            "title": "Location",
                            "type": "array",

func (target *KafkaTarget) send(eventData event.Event) error {
	if target.producer == nil {
		return store.ErrNotConnected
	}
	msg, err := target.toProducerMessage(eventData)
	if err != nil {
		return err
	}
	_, _, err = target.producer.SendMessage(msg)
	return err
}

// sendMultiple sends multiple messages to the kafka.
func (target *KafkaTarget) sendMultiple(events []event.Event) error {

			if err != nil {
				fatalErr(err)
			}
		}
		output, err := os.Create(outputFileName)
		fatalErr(err)
		msg := fmt.Sprintf("output written to %s", outputFileName)
		err = extractInspectV1(*keyHex, input, output, msg)
		output.Close()
	case len(privateKeys) != 0:
		outputFileName := strings.TrimSuffix(outputFileName, ".zip")
		err = extractInspectV2(privateKeys, input, outputFileName)

            external API with the notification of the invoice event
            (e.g. "payment successful").
    """
    # Send the invoice, collect the money, send the notification (the callback)

async def validation_exception_handler(request, exc: RequestValidationError):
    message = "Validation errors:"
    for error in exc.errors():
        message += f"\nField: {error['loc']}, Error: {error['msg']}"
    return PlainTextResponse(message, status_code=400)


@app.get("/items/{item_id}")
async def read_item(item_id: int):
    if item_id == 3: