updated langchain version and usage

playground/agents/3rd_party_agents/langchain.py

@@ -1,12 +1,13 @@
 from typing import List, Optional
 
-from langchain.agents import AgentExecutor, LLMSingleActionAgent, Tool
+from langchain.agents import AgentExecutor, LLMSingleActionAgent
 from langchain.chains import LLMChain
-from langchain.llms import OpenAI
-from langchain.prompts import StringPromptTemplate
-from langchain.tools import DuckDuckGoSearchRun
 
 from swarms import Agent
+from langchain_community.llms import OpenAI
+from langchain_community.tools import DuckDuckGoSearchRun
+from langchain_core.prompts import StringPromptTemplate
+from langchain_core.tools import Tool
 
 
 class LangchainAgentWrapper(Agent):

playground/demos/langchain_example/langchain_example.py

@@ -1,9 +1,9 @@
 import os
 
 from dotenv import load_dotenv
-from langchain.llms import OpenAIChat
 
 from swarms import Agent
+from langchain_community.llms import OpenAIChat
 
 # Loading environment variables from .env file
 load_dotenv()

playground/structs/swarms/multi_agent_collaboration/debate_example.py

@@ -2,12 +2,12 @@ from typing import Callable, List
 
 import numpy as np
 import tenacity
-from langchain.chat_models import ChatOpenAI
 from langchain.output_parsers import RegexParser
-from langchain.prompts import PromptTemplate
-from langchain.schema import HumanMessage, SystemMessage
 
 from swarms import Worker
+from langchain_community.chat_models import ChatOpenAI
+from langchain_core.messages import HumanMessage, SystemMessage
+from langchain_core.prompts import PromptTemplate
 
 
 class DialogueAgent:

requirements.txt

@@ -2,8 +2,10 @@
 torch>=2.1.1,<3.0
 transformers>=4.39.0,<5.0.0
 asyncio>=3.4.3,<4.0
-langchain-community==0.0.29
-langchain-experimental==0.0.55
+langchain
+langchain-core
+langchain-openai
+langchain-fireworks
 backoff==2.2.1
 toml
 pypdf==4.1.0
@@ -27,7 +29,9 @@ mypy-protobuf>=3.0.0
 pytest>=8.1.1
 termcolor>=2.4.0
 pandas>=2.2.2
-fastapi>=0.110.1
+fastapi[standard]
 networkx
 swarms-memory
-pre-commit
+pre-commit
+vllm
+strenum

swarms/models/openai_embeddings.py

@@ -1,4 +1,4 @@
-from langchain_community.embeddings.openai import OpenAIEmbeddings
+from langchain_openai.embeddings import OpenAIEmbeddings
 
 __all__ = [
     "OpenAIEmbeddings",

swarms/models/palm.py

@@ -1,4 +1,4 @@
-from langchain_community.llms.google_palm import GooglePalm
+from langchain_community.llms import GooglePalm
 
 __all__ = [
     "GooglePalm",

swarms/prompts/base.py

@@ -6,9 +6,10 @@ from typing import TYPE_CHECKING, Any, Sequence
 from pydantic import Field
 
 from swarms.utils.serializable import Serializable
+from langchain_core.prompts import ChatPromptTemplate
 
 if TYPE_CHECKING:
-    from langchain.prompts.chat import ChatPromptTemplate
+    pass
 
 
 def get_buffer_string(
@@ -86,7 +87,6 @@ class BaseMessage(Serializable):
         return True
 
     def __add__(self, other: Any) -> ChatPromptTemplate:
-        from langchain.prompts.chat import ChatPromptTemplate
 
         prompt = ChatPromptTemplate(messages=[self])
         return prompt + other