Update app.py

app.py

@@ -145,16 +145,11 @@ def answer_question(prompt):
 
 def process_inputs(llm, file, relevance, diversity, email):
     if file is not None:
-        # Read questions from the uploaded file
+        # Read questions from the uploaded Excel file
         try:
-            df = pd.read_csv(file.name, encoding='utf-8', header=None)
-        except UnicodeDecodeError:
-            try:
-                df = pd.read_csv(file.name, encoding='ISO-8859-1', header=None)
-            except Exception as e:
-                return f"Failed to read file: {e}"
-        except pd.errors.ParserError as e:
-            return f"Failed to parse CSV file: {e}"
+            df = pd.read_excel(file.name)
+        except Exception as e:
+            return f"Failed to read Excel file: {e}"
 
         # Ensure that there is only one column in the file
         if df.shape[1] != 1: