Update app.py

app.py

@@ -627,7 +627,7 @@ class XylariaChat:
     def create_interface(self):
         def streaming_response(message, chat_history, image_filepath, math_ocr_image_path):
             # Placeholder for image generation
-            loading_svg = f"""<svg width="256" height="256" viewBox="0 0 256 256" xmlns="http://www.w3.org/2000/svg">
+            loading_svg = """<svg width="256" height="256" viewBox="0 0 256 256" xmlns="http://www.w3.org/2000/svg">
               <style>
                 rect {
                   animation: fillAnimation 3s ease-in-out infinite;