Update app.py

app.py

@@ -618,7 +618,7 @@ Question:
 Student's Solution:
 {main_solution}
 
-{f"The student also provided the following SymPy verification of their solution:\\n{sympy_section}" if sympy_section else ""}
+{f"The student also provided the following SymPy verification of their solution: {sympy_section}" if sympy_section else ""}
 
 Please provide:
 1. A brief point-by-point analysis of the solution