Format code (#296)

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Author: github-actions[bot]

train_nsf_sim_cache_sid_load_pretrain.py

@@ -51,10 +51,10 @@
 
 global_step = 0
 
+
 class EpochRecorder:
     def __init__(self):
         self.last_time = ttime()
-    
 
     def record(self):
         now_time = ttime()
@@ -64,6 +64,7 @@ def record(self):
         current_time = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S")
         return f"[{current_time}] | ({elapsed_time_str})"
 
+
 def main():
     # n_gpus = torch.cuda.device_count()
     os.environ["MASTER_ADDR"] = "localhost"