Update dependencies (#403)

Author: hinthornw

backend/retrieval_graph/prompts.py

@@ -1,27 +1,36 @@
-from langchain import hub
+from langsmith import Client
 
 """Default prompts."""
 
+client = Client()
 # fetch from langsmith
 ROUTER_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-router-prompt").messages[0].prompt.template
+    client.pull_prompt("langchain-ai/chat-langchain-router-prompt")
+    .messages[0]
+    .prompt.template
 )
 GENERATE_QUERIES_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-generate-queries-prompt")
+    client.pull_prompt("langchain-ai/chat-langchain-generate-queries-prompt")
     .messages[0]
     .prompt.template
 )
 MORE_INFO_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-more-info-prompt").messages[0].prompt.template
+    client.pull_prompt("langchain-ai/chat-langchain-more-info-prompt")
+    .messages[0]
+    .prompt.template
 )
 RESEARCH_PLAN_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-research-plan-prompt")
+    client.pull_prompt("langchain-ai/chat-langchain-research-plan-prompt")
     .messages[0]
     .prompt.template
 )
 GENERAL_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-general-prompt").messages[0].prompt.template
+    client.pull_prompt("langchain-ai/chat-langchain-general-prompt")
+    .messages[0]
+    .prompt.template
 )
 RESPONSE_SYSTEM_PROMPT = (
-    hub.pull("langchain-ai/chat-langchain-response-prompt").messages[0].prompt.template
+    client.pull_prompt("langchain-ai/chat-langchain-response-prompt")
+    .messages[0]
+    .prompt.template
 )