use ignite for exp2

exp2/modified/sketchpad.py

@@ -5,7 +5,7 @@ import tkinter as tk
 from predict import PredictResult, Predictor
 
 sys.path.append(str(Path(__file__).resolve().parent.parent.parent))
-import pytorch_gpu_utils
+import gpu_utils
 
 
 class SketchpadApp:
@@ -181,7 +181,7 @@ class SketchpadApp:
     # endregion
 
 if __name__ == "__main__":
-    pytorch_gpu_utils.print_gpu_availability()
+    gpu_utils.print_gpu_availability()
     
     predictor = Predictor()