new modern error types

Author: Andrei Neagu

packages/service-library/src/servicelib/long_running_tasks/_errors.py

@@ -4,45 +4,36 @@
 class BaseLongRunningError(OsparcErrorMixin, Exception):
     """base exception for this module"""
 
-    code: str = "long_running_task.base_long_running_error"  # type: ignore[assignment]
-
 
 class TaskAlreadyRunningError(BaseLongRunningError):
-    code: str = "long_running_task.task_already_running"
     msg_template: str = "{task_name} must be unique, found: '{managed_task}'"
 
 
 class TaskNotFoundError(BaseLongRunningError):
-    code: str = "long_running_task.task_not_found"
     msg_template: str = "No task with {task_id} found"
 
 
 class TaskNotCompletedError(BaseLongRunningError):
-    code: str = "long_running_task.task_not_completed"
     msg_template: str = "Task {task_id} has not finished yet"
 
 
 class TaskCancelledError(BaseLongRunningError):
-    code: str = "long_running_task.task_cancelled_error"
     msg_template: str = "Task {task_id} was cancelled before completing"
 
 
 class TaskExceptionError(BaseLongRunningError):
-    code: str = "long_running_task.task_exception_error"
     msg_template: str = (
         "Task {task_id} finished with exception: '{exception}'\n{traceback}"
     )
 
 
 class TaskClientTimeoutError(BaseLongRunningError):
-    code: str = "long_running_task.client.timed_out_waiting_for_response"
     msg_template: str = (
         "Timed out after {timeout} seconds while awaiting '{task_id}' to complete"
     )
 
 
 class GenericClientError(BaseLongRunningError):
-    code: str = "long_running_task.client.generic_error"
     msg_template: str = (
         "Unexpected error while '{action}' for '{task_id}': status={status} body={body}"
     )