old_contents: import os
  import yaml
  import requests
  
  #
  # Note: this test is only valid for versions >= v3.18.0
  #
  DOCS_PATH = (
      "/docs"
      if os.environ.get("CALICO_DOCS_PATH") is None
      else os.environ.get("CALICO_DOCS_PATH")
  )
  
  with open("%s/_data/versions.yml" % DOCS_PATH) as f:
      versions = yaml.safe_load(f)
      RELEASE_VERSION = versions[0]["title"]
      print("[INFO] using _data/versions.yaml, discovered version: %s" % RELEASE_VERSION)
  
  # Helm version is the calico/node version.
  version = versions[0]["components"]["calico/node"]["version"]
  chart_version = versions[0]["chart"]["version"]
  print("[INFO] using calico/node version for Helm artifacts: %s" % version)
  print("[INFO] using chart version for Helm artifact: %s" % chart_version)
  
  
  def test_calico_release_has_helm_chart():
      req = requests.head(
          "https://github.com/projectcalico/node/releases/download/%s/tigera-operator-%s-%s.tgz"
          % (version, version, chart_version)
      )
      assert req.status_code == 302
  
new_contents: import os
  import yaml
  import requests
  
  #
  # Note: this test is only valid for versions >= v3.18.0
  #
  DOCS_PATH = (
      "/docs"
      if os.environ.get("CALICO_DOCS_PATH") is None
      else os.environ.get("CALICO_DOCS_PATH")
  )
  
  with open("%s/_data/versions.yml" % DOCS_PATH) as f:
      versions = yaml.safe_load(f)
      RELEASE_VERSION = versions[0]["title"]
      print("[INFO] using _data/versions.yaml, discovered version: %s" % RELEASE_VERSION)
  
  # Helm version is the calico/node version.
  version = versions[0]["components"]["calico/node"]["version"]
  chart_version = versions[0]["chart"]["version"]
  print("[INFO] using calico/node version for Helm artifacts: %s" % version)
  print("[INFO] using chart version for Helm artifact: %s" % chart_version)
  
  
  def test_calico_release_has_helm_chart():
      req = requests.head(
          "https://github.com/projectcalico/calico/releases/download/%s/tigera-operator-%s-%s.tgz"
          % (version, version, chart_version)
      )
      assert req.status_code == 302
  
subject: Update test_helm_artifacts.py