1  from __future__ import annotations
 2  
 3  """Pipeline status enumeration."""
 4  
 5  from enum import Enum
 6  
 7  
 8  class PipelineStatus(str, Enum):
 9      """Status of a pipeline execution."""
10  
11      PENDING = "pending"
12      RUNNING = "running"
13      COMPLETED = "completed"
14      FAILED = "failed"