fix: Fixed error on no task pop

client/client.go

@@ -107,12 +107,14 @@ func (c *Client) Pop(ctx context.Context, request *PopRequest) (*Task, bool, err
 
 	var t Task
 	status, err := c.doStatus(ctx, "POST", "/pop", request, &t)
-	if err != nil {
-		return nil, false, err
-	}
     if status == http.StatusNoContent {
 		return nil, false, nil
 	}
+    
+	if err != nil {
+		return nil, false, err
+	}
+	
 	return &t, true, nil
 }