Merge pull request #551 from nicoloboschi/allow-langchain2

allow langchain 0.2.x

Author: drazvan

pyproject.toml

@@ -42,9 +42,9 @@ dependencies = [
   "httpx>=0.24.1",
   "jinja2>=3.1.3",
   # The 0.1.9 has a bug related to SparkLLM which breaks everything.
-  "langchain>=0.1.0,<0.2.0,!=0.1.9",
-  "langchain-core>=0.1.0,!=0.1.26",
-  "langchain-community>=0.0.16,<0.1.0",
+  "langchain>=0.1.0,<0.3.0,!=0.1.9",
+  "langchain-core>=0.1.0,<0.3.0,!=0.1.26",
+  "langchain-community>=0.0.16,<0.3.0",
   "lark~=1.1.7",
   "nest-asyncio>=1.5.6",
   "prompt-toolkit>=3.0",