Update app.py

app.py

@@ -260,7 +260,7 @@ Professor's Summary:
 
 """
 
-BASE_PROMPT_TEMPLATE = f"""
+BASE_PROMPT_TEMPLATE = """
 You are about to assume a role. Carefully review the persona, context, task, and output requirements before proceeding.
 
 1. PERSONA
@@ -399,7 +399,7 @@ class GeminiGrader:
         except Exception as e:
             raise ValueError(f"Failed to configure Gemini API: {e}")
 
-    def grade_essay(self, essay_text: str, file_name: str) -> GradingResult:
+    def grade_essay(self, essay_text: str, file_name: str, example_paper_text: str) -> GradingResult:
         """
         Sends the essay to Gemini for grading and parses the JSON response.
         This is a synchronous method designed to be run in a thread pool.