Checkin worker for extractors (#464)

Author: toondaey

cognite/extractorutils/unstable/core/base.py

@@ -69,14 +69,15 @@ def my_task_function(self, task_context: TaskContext) -> None:
     LogFileHandlerConfig,
 )
 from cognite.extractorutils.unstable.core._dto import (
-    Error as DtoError,
-)
-from cognite.extractorutils.unstable.core._dto import (
+    CogniteModel,
     ExtractorInfo,
     StartupRequest,
     TaskType,
     TaskUpdate,
 )
+from cognite.extractorutils.unstable.core._dto import (
+    Error as DtoError,
+)
 from cognite.extractorutils.unstable.core._dto import (
     Task as DtoTask,
 )
@@ -88,7 +89,12 @@ def my_task_function(self, task_context: TaskContext) -> None:
 from cognite.extractorutils.unstable.scheduling import TaskScheduler
 from cognite.extractorutils.util import now
 
-__all__ = ["ConfigRevision", "ConfigType", "Extractor"]
+__all__ = [
+    "CogniteModel",
+    "ConfigRevision",
+    "ConfigType",
+    "Extractor",
+]
 
 
 _T = TypeVar("_T", bound=ExtractorConfig)