Update app.py

app.py

@@ -47,9 +47,12 @@ class Pypelyne:
     def add_tool(self, tool: Tool):
         self.tools.append(tool)
 
-    def generate_chat_app(self) -> str:
-        time.sleep(2)
-        return f"Chat app generated with {len(self.agents)} agents and {len(self.tools)} tools."
+    def launch_chatapp(project_path):
+    if st.button("Launch ChatApp"):
+        st.write("Launching ChatApp...")
+        os.chdir(project_path)
+        subprocess.run(["python", "app.py"])
+        st.write("ChatApp launched successfully!")
 
     def run_gpt(
         self,