Update app.py

app.py

@@ -237,39 +237,39 @@ class FileProcessor:
             return []
 
 
-def generate_qr(json_data):
-    """Generate QR code from JSON data and return the file path."""
-    try:
-        # Try first with automatic version selection
-        qr = qrcode.QRCode(
-            error_correction=qrcode.constants.ERROR_CORRECT_L,
-            box_size=10,
-            border=4,
-        )
-        qr.add_data(json_data)
-        qr.make(fit=True)
-
-        img = qr.make_image(fill_color="black", back_color="white")
-        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
-        img.save(temp_file.name)
-        return temp_file.name
-    except Exception as e:
-        # If the data is too large for a QR code
-        logger.error(f"QR generation error: {e}")
-        # Create a simple QR with error message
-        qr = qrcode.QRCode(
-            version=1,
-            error_correction=qrcode.constants.ERROR_CORRECT_L,
-            box_size=10,
-            border=4,
-        )
-        qr.add_data("Error: Data too large for QR code")
-        qr.make(fit=True)
-
-        img = qr.make_image(fill_color="black", back_color="white")
-        temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
-        img.save(temp_file.name)
-        return temp_file.name
+    def generate_qr(json_data):
+        """Generate QR code from JSON data and return the file path."""
+        try:
+            # Try first with automatic version selection
+            qr = qrcode.QRCode(
+                error_correction=qrcode.constants.ERROR_CORRECT_L,
+                box_size=10,
+                border=4,
+            )
+            qr.add_data(json_data)
+            qr.make(fit=True)
+    
+            img = qr.make_image(fill_color="black", back_color="white")
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
+            img.save(temp_file.name)
+            return temp_file.name
+        except Exception as e:
+            # If the data is too large for a QR code
+            logger.error(f"QR generation error: {e}")
+            # Create a simple QR with error message
+            qr = qrcode.QRCode(
+                version=1,
+                error_correction=qrcode.constants.ERROR_CORRECT_L,
+                box_size=10,
+                border=4,
+            )
+            qr.add_data("Error: Data too large for QR code")
+            qr.make(fit=True)
+    
+            img = qr.make_image(fill_color="black", back_color="white")
+            temp_file = tempfile.NamedTemporaryFile(delete=False, suffix=".png")
+            img.save(temp_file.name)
+            return temp_file.name
 
 
     def create_interface():