Update app.py

app.py

@@ -254,12 +254,17 @@ class FileProcessor:
             logger.error(f"File processing error: {e}")
             return []
             
-def generate_qr_code(json_data):
-    """Generate a QR code from JSON data."""
-    qr = qrcode.make(json_data)
-    qr_path = "output/qr_code.png"
-    qr.save(qr_path)
-    return qr_path
+    def generate_qr(json_data):
+        """Generate QR code from JSON data and return the file path."""
+        qr = qrcode.QRCode(
+            version=40,  # Force maximum version
+            error_correction=qrcode.constants.ERROR_CORRECT_L,  # Use lower error correction
+            box_size=10,
+            border=4,
+        )
+        qr.add_data(json_data)
+        qr.make(fit=True)
+        return qr.make_image(fill_color="black", back_color="white")
 
 def create_interface():
     """Create a comprehensive Gradio interface with advanced features"""