Update ai_agent.py

ai_agent.py

@@ -31,10 +31,10 @@ def sql_agent(file, agent_input):
 
 def pandas_agent(file, agent_input):
     # Check if the file extension is CSV
-    if file.endswith('.csv'):
+    if file.name.endswith('.csv'):
         df = pd.read_csv(file)
     # Check if the file extension is XLSX or XLS
-    elif file.endswith('.xlsx') or file.endswith('.xls'):
+    elif file.name.endswith('.xlsx') or file.name.endswith('.xls'):
         df = pd.read_excel(file)
     else:
         return "Unsupported file format. Only CSV, XLS, or XLSX files are supported."