Update app.py

app.py

@@ -8,8 +8,8 @@ import io
 
 # Function to calculate SSIM between two images
 def calculate_ssim(img1, img2):
-    img1_gray = Image.open(io.BytesIO(img1.read())).convert("L")
-    img2_gray = Image.open(io.BytesIO(img2.read())).convert("L")
+    img1_gray = Image.open(img1).convert("L")
+    img2_gray = Image.open(img2).convert("L")
     return ssim(img1_gray, img2_gray)