Bird
0
0

You wrote this code but get an error:

medium📝 Debug Q14 of 15
LangChain - RAG Chain Construction
You wrote this code but get an error: 
hybrid_search = HybridSearch(keyword_searcher semantic_searcher)
results = hybrid_search.search('banana')
What is the error and how to fix it?
AMissing comma between keyword_searcher and semantic_searcher; add a comma.
Bsearch method does not exist; rename to find.
CHybridSearch cannot take two arguments; combine them first.
DThe string 'banana' should be a list; change to ['banana'].
Step-by-Step Solution
Solution:

  1. Step 1: Identify syntax error in constructor

    There is no comma between keyword_searcher and semantic_searcher, causing a syntax error.

  2. Step 2: Fix by adding comma

    Insert a comma to separate the two arguments correctly.

  3. Final Answer:

    Missing comma between keyword_searcher and semantic_searcher; add a comma. -> Option A

  4. Quick Check:

    Arguments must be comma-separated [OK]
Quick Trick: Check commas between arguments to avoid syntax errors [OK]
Common Mistakes:
  • Forgetting commas between function arguments
  • Assuming method name is wrong
  • Changing input type unnecessarily

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More LangChain Quizzes
Conversational RAG - Session management for multi-user RAG - Quiz 12easy Conversational RAG - Why conversation history improves RAG - Quiz 12easy Document Loading - Loading web pages with WebBaseLoader - Quiz 10hard Document Loading - Loading PDFs with PyPDFLoader - Quiz 5medium Document Loading - Why document loading is the RAG foundation - Quiz 5medium Embeddings and Vector Stores - OpenAI embeddings - Quiz 5medium Embeddings and Vector Stores - Similarity search vs MMR retrieval - Quiz 8hard Embeddings and Vector Stores - OpenAI embeddings - Quiz 11easy Embeddings and Vector Stores - Chroma vector store setup - Quiz 7medium Embeddings and Vector Stores - Pinecone cloud vector store - Quiz 5medium