Update app.py

app.py

@@ -4,12 +4,14 @@ from skimage.metrics import structural_similarity as ssim
 import gradio as gr
 import pytesseract
 
+
 # Function to calculate SSIM between two images
 def calculate_ssim(img1, img2):
-    img1_gray = img1.convert("L")
-    img2_gray = img2.convert("L")
+    img1_gray = Image.open(img1).convert("L")
+    img2_gray = Image.open(img2).convert("L")
     return ssim(img1_gray, img2_gray)
 
+
 # Function to extract text from an image using OCR
 def extract_text(image):
     image = Image.open(image)