Update agent.py

agent.py

@@ -10,7 +10,7 @@ from typing import TypedDict, Optional
 tools = [add, multiply, divide, subtract, search_wikipedia, duckduckgo_search, search_papers]
 
 def build_agent():
-    llm = ChatGroq(model="deepseek-r1-distill-llama-70b", temperature=0)
+    llm = ChatGroq(model="llama3-70b-8192", temperature=0) # deepseek-r1-distill-llama-70b
     chat_with_tools = llm.bind_tools(tools)
 
     def assistant(state: MessagesState):
@@ -23,7 +23,7 @@ def build_agent():
         system_prompt = """You are a reasoning assistant that can answer complex questions using external tools. You must follow a structured reasoning format and always output a final answer.
                             Always follow this step-by-step structure:
                             - Thought: Describe your reasoning.
-                            - Action:  If necessary, call a tool, using this format → Action: tool_name(input).
+                            - Action:  Whenever necessary or recommended, call a tool, using this format → Action: tool_name(input).
                                        If not, use your reasoning for answering the question, using this format → Action: reasoning.
                             - Observation: Describe what the tool returned.
                             - Repeat Thought → Action → Observation as needed until you are SURE you can answer.