title: helm airflow error , I don't know why it doesn't work
body: <pre><code>helm install airflow-staging airflow-stable/airflow --version “7.14.0” --namespace staging  --set airflow.config.AIRFLOW__KUBERNETES__GIT_BRANCH=master --set dags.git.ref=“https://github.com/pedaling/class101-airflow.git” --values staging-values.yaml
  </code></pre>
  <p>it gives this error --</p>
  <blockquote>
  <p>Error: failed to download &quot;airflow-stable/airflow&quot; at version &quot;“7.14.0”&quot; (hint: running <code>helm repo update</code> may help)</p>
  </blockquote>
  <p>so I type the <code>helm repo update</code> then it return --</p>
  <blockquote>
  <p>Hang tight while we grab the latest from your chart repositories...
  ...Successfully got an update from the &quot;airflow-stable&quot; chart repository
  Update Complete. ⎈Happy Helming!⎈</p>
  </blockquote>
  <p>even I typed <code>helm repo update</code> it always return the same error like</p>
  <blockquote>
  <p>Error: failed to download &quot;airflow-stable/airflow&quot; at version &quot;“7.14.0”&quot; (hint: running <code>helm repo update</code> may help)</p>
  </blockquote>
  <p>what can I do?</p>