Update ai_agent.py

ai_agent.py

@@ -33,8 +33,8 @@ def pandas_agent(file, agent_input):
     # Check if the file extension is CSV
     if file.endswith('.csv'):
         df = pd.read_csv(file)
-    # Check if the file extension is XLS or XLSX
-    elif file.endswith('.xls') or file.endswith('.xlsx'):
+    # Check if the file extension is XLSX or XLS
+    elif file.endswith('.xlsx') or file.endswith('.xls'):
         df = pd.read_excel(file)
     else:
         return "Unsupported file format. Only CSV, XLS, or XLSX files are supported."