diff --git a/pantograph/gen_tactic.py b/pantograph/gen_tactic.py
index 62ba918..0d3156a 100644
--- a/pantograph/gen_tactic.py
+++ b/pantograph/gen_tactic.py
@@ -100,13 +100,13 @@ def select_tactic(s, server, state, goal_id, feedback_turns = 5):
     for i in range(feedback_turns):
         with s.copy() as tmp:
             tmp += sgl.assistant(sgl.gen("tactic", max_tokens=64))
-            print("==tmp===")
-            print(tmp["tactic"])
+            # print("==tmp===")
+            # print(tmp["tactic"])
             tactic = extract_code_from_llm_output(tmp["tactic"])
         s += sgl.assistant("```"+tactic+"```")
         success, new_state = apply_tactic(server, state, goal_id, tactic)
-        print("===execute===")
-        print(success, new_state )
+        # print("===execute===")
+        # print(success, new_state )
         if not success:
             with s.user():
                 s += "This answer got Lean compile error:\n" + str(new_state) + "\n"
@@ -118,7 +118,7 @@ def select_tactic(s, server, state, goal_id, feedback_turns = 5):
 
 def apply_tactic(server, state, goal_id, tactic):
     try:
-        new_state = server.goal_tactic(state, goal_id=goal_id, tactic=tactic)
+        new_state = server.goal_tactic(state=state, goal_id=goal_id, tactic=tactic)
     except ServerError as e:
         return False, e
     except TacticFailure as e:
diff --git a/pantograph/search_llm.py b/pantograph/search_llm.py
index d0a8174..5a4549f 100644
--- a/pantograph/search_llm.py
+++ b/pantograph/search_llm.py
@@ -47,23 +47,14 @@ class LLMAgent(Agent):
         new_state = None
         for ii in range(self.n_trials):
             print(f"===============trail {str(ii)}============")
-            try:
-                state = select_tactic.run(server = self.server, state=state, goal_id = goal_id)
-                tactic, new_state = state.ret_value
-                for m in state.messages():
-                    print(m["role"], ":", m["content"])
+            s = select_tactic.run(server = self.server, state=state, goal_id = goal_id)
+            tactic, new_state = s.ret_value
+            for m in s.messages():
+                print(m["role"], ":", m["content"])
 
-                print("\n-- new state --\n", new_state)
-                if tactic:
-                    return tactic
-                
-            except ServerError as e:
-                print(f"server error: {e}")
-                continue
-            except TacticFailure as e:
-                print(f"tactic failure: {e}")
-                continue
-        
+            print("\n-- new state --\n", new_state)
+            if tactic:
+                return tactic
 
         return tactics[i]