fix langchain deps

see (https://github.com/langchain-ai/langchain/issues/18996)

pyproject.toml

@@ -30,14 +30,15 @@ transformers = "*"
 asyncio = ">=3.4.3,<4.0"
 einops = "0.7.0"
 google-generativeai = "0.3.1"
-langchain-experimental = "0.0.10"
-langchain-community = "0.0.29"
+langchain-core==0.1.22
+langchain-community==0.0.20
+langsmith==0.0.87
+langchain-openai==0.0.5
 faiss-cpu = "1.7.4"
 backoff = "2.2.1"
 datasets = "*"
 optimum = "1.15.0"
 diffusers = "*"
-langchain = "0.1.7"
 toml = "*"
 pypdf = "4.0.1"
 accelerate = "*"

requirements.txt

@@ -1,8 +1,10 @@
 torch==2.1.1
 transformers
 pandas
-langchain==0.1.7
-langchain-experimental
+langchain-core==0.1.22
+langchain-community==0.0.20
+langsmith==0.0.87
+langchain-openai==0.0.5
 httpx==0.24.1
 Pillow==9.4.0
 datasets==2.14.5
@@ -21,7 +23,6 @@ addict
 backoff==2.2.1
 ratelimit==2.2.1
 termcolor==2.2.0
-langchain-community
 timm
 torchvision==0.16.1
 rich==13.5.2