Update agent_nodes.py

agent_nodes.py

@@ -259,7 +259,7 @@ def get_chemtool(state):
 def loop_or_not(state):
   '''
   '''
-  print(f"Loop? {state["loop_again"]}")
+  print(f"Loop? {state['loop_again']}")
   if state["loop_again"] == "loop_again":
     return True
   else: