Update app.py

app.py

@@ -55,7 +55,7 @@ def preprocess_image_siamese(img):
         transforms.Resize((224, 224)),
         transforms.ToTensor()
     ])
-    img = Image.open(file_path).convert("RGB")
+    img = Image.open(img).convert("RGB")
     return transform(img)
 
 def preprocess_image_svm(img):