Merge pull request #942 from JohnSnowLabs/fix-checkpoints

fix: checkpoint for multi model

langtest/utils/checkpoints.py

@@ -6,21 +6,19 @@
 
 
 class CheckpointManager:
-    _instance = None  # Class variable to store the singleton instance
+    def __init__(self, checkpoint_folder="checkpoints"):
+        """Initialize the CheckpointManager.
 
-    def __new__(cls, checkpoint_folder="checkpoints"):
-        if cls._instance is None:
-            cls._instance = super(CheckpointManager, cls).__new__(cls)
-            # Initialize the instance only if it doesn't exist
-            cls._instance.checkpoint_folder = checkpoint_folder
-            cls._instance.complete_folder = os.path.join(checkpoint_folder, "complete")
-            cls._instance.remaining_folder = os.path.join(checkpoint_folder, "remaining")
-
-            os.makedirs(cls._instance.checkpoint_folder, exist_ok=True)
-            os.makedirs(cls._instance.complete_folder, exist_ok=True)
-            os.makedirs(cls._instance.remaining_folder, exist_ok=True)
+        Args:
+            checkpoint_folder (str): The directory to store checkpoints and batch information.
+        """
+        self.checkpoint_folder = checkpoint_folder
+        self.complete_folder = os.path.join(checkpoint_folder, "complete")
+        self.remaining_folder = os.path.join(checkpoint_folder, "remaining")
 
-        return cls._instance
+        os.makedirs(self.checkpoint_folder, exist_ok=True)
+        os.makedirs(self.complete_folder, exist_ok=True)
+        os.makedirs(self.remaining_folder, exist_ok=True)
 
     def save_checkpoint(self, check_point_extension: str, results_so_far: List[Sample]):
         """Save a checkpoint with partial results.