Updated model loading to use new checkpoint file name for CycleGAN model

src/app.py

@@ -112,7 +112,7 @@ class CycleGAN(nn.Module):
 @st.cache_resource
 def load_model():
     model_dir = os.path.dirname(os.path.abspath(__file__))
-    model_path = os.path.join(model_dir, "cyclegan_model_v3.pt")
+    model_path = os.path.join(model_dir, "cyclegan_model_v2.pt")
 
     if not os.path.exists(model_path):
         raise FileNotFoundError(f"Model file not found: {model_path}")