runtime error

ython3.9/site-packages/chainlit/config.py", line 242, in load_module spec.loader.exec_module(module) File "<frozen importlib._bootstrap_external>", line 850, in exec_module File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed File "app.py", line 2, in <module> from langchain.embeddings.openai import OpenAIEmbeddings File "/home/user/.local/lib/python3.9/site-packages/langchain/__init__.py", line 36, in <module> from langchain.agents import MRKLChain, ReActChain, SelfAskWithSearchChain File "/home/user/.local/lib/python3.9/site-packages/langchain/agents/__init__.py", line 31, in <module> from langchain.agents.agent import ( File "/home/user/.local/lib/python3.9/site-packages/langchain/agents/agent.py", line 15, in <module> from langchain.agents.agent_iterator import AgentExecutorIterator File "/home/user/.local/lib/python3.9/site-packages/langchain/agents/agent_iterator.py", line 30, in <module> from langchain.tools import BaseTool File "/home/user/.local/lib/python3.9/site-packages/langchain/tools/__init__.py", line 31, in <module> from langchain.tools.ddg_search.tool import DuckDuckGoSearchResults, DuckDuckGoSearchRun File "/home/user/.local/lib/python3.9/site-packages/langchain/tools/ddg_search/__init__.py", line 3, in <module> from langchain.tools.ddg_search.tool import DuckDuckGoSearchRun File "/home/user/.local/lib/python3.9/site-packages/langchain/tools/ddg_search/tool.py", line 10, in <module> from langchain.utilities.duckduckgo_search import DuckDuckGoSearchAPIWrapper File "/home/user/.local/lib/python3.9/site-packages/langchain/utilities/__init__.py", line 13, in <module> from langchain.utilities.duckduckgo_search import DuckDuckGoSearchAPIWrapper File "/home/user/.local/lib/python3.9/site-packages/langchain/utilities/duckduckgo_search.py", line 9, in <module> from pydantic_v1.class_validators import root_validator ModuleNotFoundError: No module named 'pydantic_v1.class_validators'; 'pydantic_v1' is not a package

Container logs: