Comment 1 for bug 1895300

Missing dependencies, heat-engine fails to start with:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/stevedore/extension.py", line 221, in _load_plugins
    ext = self._load_one_plugin(ep,
  File "/usr/lib/python3/dist-packages/stevedore/enabled.py", line 77, in _load_one_plugin
    ext = super(EnabledExtensionManager, self)._load_one_plugin(
  File "/usr/lib/python3/dist-packages/stevedore/extension.py", line 255, in _load_one_plugin
    plugin = ep.load()
  File "/usr/lib/python3.8/importlib/metadata.py", line 77, in load
    module = import_module(match.group('module'))
  File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 783, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/lib/python3/dist-packages/heat/engine/clients/os/vitrage.py", line 16, in <module>
    from vitrageclient import client as vitrage_client
ModuleNotFoundError: No module named 'vitrageclient'