Update app.py

app.py

@@ -25,8 +25,17 @@ def generate_qr(data):
 
 # Function to read a QR code using OpenCV
 def read_qr(img):
+    # Convert PIL image to a NumPy array
+    img = np.array(img)
+
+    # Convert RGB to BGR format as OpenCV expects BGR
+    if img.ndim == 3:
+        img = cv2.cvtColor(img, cv2.COLOR_RGB2BGR)
+
+    # Initialize OpenCV QR code detector
     detector = cv2.QRCodeDetector()
     data, _, _ = detector.detectAndDecode(img)
+    
     return data if data else "No QR code found."
 
 # Custom CSS styling as HTML for dark mode