examples: replace deprecated agents.Initialize (#1009)

examples/mrkl-agent-example/mrkl_agent.go

@@ -32,15 +32,12 @@ func run() error {
 		tools.Calculator{},
 		search,
 	}
-	executor, err := agents.Initialize(
-		llm,
+
+	agent := agents.NewOneShotAgent(llm,
 		agentTools,
-		agents.ZeroShotReactDescription,
-		agents.WithMaxIterations(3),
-	)
-	if err != nil {
-		return err
-	}
+		agents.WithMaxIterations(3))
+	executor := agents.NewExecutor(agent)
+
 	question := "Who is Olivia Wilde's boyfriend? What is his current age raised to the 0.23 power?"
 	answer, err := chains.Run(context.Background(), executor, question)
 	fmt.Println(answer)

examples/zapier-llm-example/main.go

@@ -37,15 +37,10 @@ func main() {
 	agentTools = append(agentTools, tks...)
 
 	// Initialize the agent
-	executor, err := agents.Initialize(
-		llm,
+	agent := agents.NewOneShotAgent(llm,
 		agentTools,
-		agents.ZeroShotReactDescription,
-		agents.WithMaxIterations(3),
-	)
-	if err != nil {
-		panic(err)
-	}
+		agents.WithMaxIterations(3))
+	executor := agents.NewExecutor(agent)
 
 	// run a chain with the executor and defined input
 	input := "Get the last email from [email protected]"