如何获得补丁以忽略回车？

(?<!\n).

text = "Hello\nWorld"
text = text.replace("\n", "")

from unittest.mock import patch

def read_input():
    return input().replace("\n", "")

with patch("builtins.input", return_value="Hello\nWorld"):
    result = read_input()
    assert result == "HelloWorld"

apiVersion: v1
kind: ConfigMap
metadata:
  name: my-configmap
data:
  my-config.txt: |
    Hello\nWorld

apiVersion: apps/v1
kind: Deployment
metadata:
  name: my-deployment
spec:
  replicas: 1
  selector:
    matchLabels:
      app: my-app
  template:
    metadata:
      labels:
        app: my-app
    spec:
      containers:
      - name: my-container
        image: my-image
        volumeMounts:
        - name: my-configmap-volume
          mountPath: /etc/config
        ports:
        - containerPort: 80
      volumes:
      - name: my-configmap-volume
        configMap:
          name: my-configmap