format

src/super_gradients/training/sg_trainer/sg_trainer.py

@@ -5,6 +5,7 @@
 import warnings
 from copy import deepcopy
 from typing import Union, Tuple, Mapping, Dict, Any, List, Optional
+import concurrent.futures
 
 import hydra
 import numpy as np
@@ -115,12 +116,12 @@
 
 logger = get_logger(__name__)
 
+
 class PrefetchIterable:
     def __init__(self, iterable):
         self.iterable = iterable
 
     def __iter__(self):
-        import concurrent.futures
         executor = concurrent.futures.ThreadPoolExecutor(max_workers=1)
 
         try:
@@ -141,6 +142,7 @@ def _prefetch():
         finally:
             executor.shutdown()
 
+
 class Trainer:
     """
     SuperGradient Model - Base Class for Sg Models