{Upgrade} Fix KeyError: 'pypi' when auto upgrade (#26106)

Author: bebound

src/azure-cli/azure/cli/__main__.py

@@ -72,7 +72,7 @@ def cli_main(cli, args):
                 if datetime.datetime.now() > version_update_time + datetime.timedelta(days=11):
                     get_cached_latest_versions()
                 from packaging.version import parse
-                if parse(VERSIONS['versions']['core']['local']) < parse(VERSIONS['versions']['core']['pypi']):  # pylint: disable=line-too-long
+                if 'pypi' in VERSIONS['versions']['core'] and parse(VERSIONS['versions']['core']['local']) < parse(VERSIONS['versions']['core']['pypi']):  # pylint: disable=line-too-long
                     import subprocess
                     import platform
                     from azure.cli.core.azclierror import UnclassifiedUserFault  # pylint: disable=ungrouped-imports