Update app.py

app.py

@@ -138,12 +138,18 @@ class BasicAgent:
         python_tool = PreloadedPythonTool()
         html_parse_tool = VisitWebpageTool()
         # System prompt
+        # 1) Get the default templates
+        default_templates = PromptTemplates()
+        # 2) Construct a new one, swapping in only your system prompt
         my_templates = PromptTemplates(
             system_prompt=(
                 "When writing Python code in the PythonInterpreterTool," 
                 "you must always import bs4 and regex (already preloaded)," 
                 "and *return* your result by calling final_answer(...). Do not assign to a variable named final_answer."
-            )
+            ),
+            planning=default_templates.planning,
+            managed_agent=default_templates.managed_agent,
+            final_answer=default_templates.final_answer,
         )
         # Initialize the agent
         self.agent = CodeAgent(model=self,