model changed to Haiku 3.5 for query re=write

semantic_search/query_rewrite.py

@@ -29,6 +29,7 @@ from langchain.embeddings import BedrockEmbeddings
 #from langchain.vectorstores import OpenSearchVectorSearch
 from opensearchpy import OpenSearch, RequestsHttpConnection
 import utilities.invoke_models as invoke_models
+import time
 
 
 
@@ -234,7 +235,7 @@ def get_new_query_res(query):
     if(query == ""):
         query = st.session_state.input_rekog_label
     if(st.session_state.input_is_rewrite_query == 'enabled'):
-        import time
+        
 
         start = time.time()
         res = invoke_models.invoke_llm_model( prompt_.format(query=query,schema = schema)  ,False)