Stack trace from "az find -q vm extension list"

gistfile1.txt

$ az find -q vm extension list
No module named 'azure.mgmt.botservice'
Traceback (most recent call last):
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/knack/cli.py", line 197, in invoke
    cmd_result = self.invocation.execute(args)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/commands/__init__.py", line 369, in execute
    six.reraise(*sys.exc_info())
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/six.py", line 693, in reraise
    raise value
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/commands/__init__.py", line 343, in execute
    result = cmd(params)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/commands/__init__.py", line 182, in __call__
    return self.handler(*args, **kwargs)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/__init__.py", line 436, in default_command_handler
    result = op(**command_args)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/command_modules/find/custom.py", line 90, in find
    ix = _get_index(cmd.cli_ctx)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/command_modules/find/custom.py", line 64, in _get_index
    _create_index(cli_ctx)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/command_modules/find/custom.py", line 49, in _create_index
    for command, document in build_command_table(cli_ctx).items():
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/command_modules/find/_gather_commands.py", line 16, in build_command_table
    cmd_table[command].load_arguments()
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/commands/__init__.py", line 141, in load_arguments
    super(AzCliCommand, self).load_arguments()
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/knack/commands.py", line 76, in load_arguments
    cmd_args = self.arguments_loader()
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/__init__.py", line 440, in default_arguments_loader
    op = handler or self.get_op_handler(operation)
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/core/__init__.py", line 485, in get_op_handler
    op = import_module(mod_to_import)
  File "/usr/local/Cellar/python/3.7.0/Frameworks/Python.framework/Versions/3.7/lib/python3.7/importlib/__init__.py", line 127, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
  File "<frozen importlib._bootstrap>", line 1006, in _gcd_import
  File "<frozen importlib._bootstrap>", line 983, in _find_and_load
  File "<frozen importlib._bootstrap>", line 967, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 728, in exec_module
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/usr/local/Cellar/azure-cli/2.0.45/libexec/lib/python3.7/site-packages/azure/cli/command_modules/botservice/custom.py", line 20, in <module>
    from azure.mgmt.botservice.models import Bot, BotProperties, Sku
ModuleNotFoundError: No module named 'azure.mgmt.botservice'