Update app.py

app.py

@@ -131,11 +131,7 @@ class MathRetrievalQA(dspy.Program):
 You are a math textbook author. Write a clear, professional, and well-formatted solution for the following math problem, using proper LaTeX formatting in every step.
 
 Format the following LaTeX-based math solution into a clean, human-readable explanation as found in textbooks. Use standard math symbols like ±, √, fractions with slashes (e.g. (a + b)/c), and superscripts with ^. Do not use LaTeX syntax or backslashes. Do not wrap equations in dollar signs. Present the steps clearly using numbered headings. Keep all fractions in plain text form.
-Question: {question}
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+Problem: {question}
 Use the following context if needed:
 {f}