Update app.py

app.py

@@ -67,7 +67,7 @@ logging.info("Loading your company's solved data...")
 try:
     with open('solved.json', 'r') as f:
         solved_data = json.load(f)
-    your_solved_df = pd.json_normalize(solved_data)
+    solved_df = pd.json_normalize(solved_data)
 except FileNotFoundError:
     logging.error("solved.json not found. Please ensure the file exists.")
     exit()