Update app.py

app.py

@@ -55,8 +55,8 @@ class GAIAAgent:
                      ReverseTextTool(),
                      ExtractTextFromImageTool(),
                      AnalyzeCSVTool(),
-                     AnalyzeExcelTool()
-                     DateCalculatorTool()
+                     AnalyzeExcelTool(),
+                     DateCalculatorTool(),
                      DownloadFileTool()]
 
         # Authorised imports