Update app.py

app.py

@@ -147,12 +147,19 @@ def process_inputs(llm, file, relevance, diversity, email):
     if file is not None:
         # Read questions from the uploaded file
         try:
-            df = pd.read_csv(file.name, encoding='utf-8')
+            df = pd.read_csv(file.name, encoding='utf-8', header=None)
         except UnicodeDecodeError:
             try:
-                df = pd.read_csv(file.name, encoding='ISO-8859-1')
+                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}"
+
+        # Ensure that there is only one column in the file
+        if df.shape[1] != 1:
+            return "The uploaded file must contain only one column of questions."
+
         questions_list = df.iloc[:, 0].tolist()
     else:
         return "No questions provided."