(airline) Jais-MacBook-Pro:airline_demo jai$ dagit
/usr/local/lib/python3.8/site-packages/dagster/core/instance/config.py:22: UserWarning: The dagster instance configuration file (dagster.yaml) is not present at /Users/jai/work/dagstertut. Dagster uses this file to know where and how to store local artifacts, information about past runs, and structured events.
If nothing is specified, Dagster will store this information in the local filesystem in the /Users/jai/work/dagstertut directory.
  warnings.warn(
/usr/local/lib/python3.8/site-packages/dagster/cli/workspace/cli_target.py:101: UserWarning: You are automatically loading a "repository.yaml", a deprecated capability. This capability will be eliminated in 0.9.0.
  warnings.warn(
/usr/local/lib/python3.8/site-packages/dagster/cli/workspace/workspace.py:48: UserWarning: Error loading repository location airline_demo.repository:airline_demo_repo:(DagsterUserCodeProcessError) - dagster.core.errors.DagsterUserCodeProcessError: (ModuleNotFoundError) - ModuleNotFoundError: No module named 'airline_demo'

Stack Trace: 
  File "/usr/local/lib/python3.8/site-packages/dagster/grpc/server.py", line 343, in ListRepositories
    self._repository_symbols_and_code_pointers.loadable_repository_symbols,
  File "/usr/local/lib/python3.8/site-packages/dagster/grpc/server.py", line 105, in loadable_repository_symbols
    self.load()
  File "/usr/local/lib/python3.8/site-packages/dagster/grpc/server.py", line 95, in load
    self._loadable_repository_symbols = load_loadable_repository_symbols(
  File "/usr/local/lib/python3.8/site-packages/dagster/grpc/server.py", line 119, in load_loadable_repository_symbols
    loadable_targets = get_loadable_targets(
  File "/usr/local/lib/python3.8/site-packages/dagster/grpc/utils.py", line 29, in get_loadable_targets
    [LoadableTarget(attribute, load_def_in_module(module_name, attribute))]
  File "/usr/local/lib/python3.8/site-packages/dagster/core/definitions/reconstructable.py", line 420, in load_def_in_module
    return def_from_pointer(CodePointer.from_module(module_name, attribute))
  File "/usr/local/lib/python3.8/site-packages/dagster/core/definitions/reconstructable.py", line 432, in def_from_pointer
    target = pointer.load_target()
  File "/usr/local/lib/python3.8/site-packages/dagster/core/code_pointer.py", line 307, in load_target
    module = load_python_module(self.module, warn_only=True)
  File "/usr/local/lib/python3.8/site-packages/dagster/core/code_pointer.py", line 240, in load_python_module
    raise error
  File "/usr/local/lib/python3.8/site-packages/dagster/core/code_pointer.py", line 205, in load_python_module
    module = importlib.import_module(module_name)
  File "/usr/local/Cellar/python@3.8/3.8.5/Frameworks/Python.framework/Versions/3.8/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 961, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
  File "<frozen importlib._bootstrap>", line 991, in _find_and_load
  File "<frozen importlib._bootstrap>", line 973, in _find_and_load_unlocked


Stack Trace: 
  File "/usr/local/lib/python3.8/site-packages/dagster/cli/workspace/workspace.py", line 43, in _load_handle
    handle = RepositoryLocationHandle.create_from_repository_location_origin(origin)
  File "/usr/local/lib/python3.8/site-packages/dagster/core/host_representation/handle.py", line 47, in create_from_repository_location_origin
    return ManagedGrpcPythonEnvRepositoryLocationHandle(repo_location_origin)
  File "/usr/local/lib/python3.8/site-packages/dagster/core/host_representation/handle.py", line 188, in __init__
    list_repositories_response = sync_list_repositories_grpc(self.client)
  File "/usr/local/lib/python3.8/site-packages/dagster/api/list_repositories.py", line 16, in sync_list_repositories_grpc
    raise DagsterUserCodeProcessError(

  warnings.warn(
Loading repository...
Serving on <http://127.0.0.1:3000> in process 38959