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Identify the issue in this code snippet:

medium📝 Debug Q7 of 15
LangChain - Embeddings and Vector Stores
Identify the issue in this code snippet:
from langchain.embeddings import OpenAIEmbeddings
embeddings = OpenAIEmbeddings(model="text-embedding-ada-002")
vector = embeddings.embed_query("test")
AThe import statement is incorrect.
BThe embed_query method requires a list, not a string.
COpenAIEmbeddings cannot be instantiated directly.
DThe parameter should be 'model_name', not 'model'.
Step-by-Step Solution
Solution:

  1. Step 1: Check parameter names

    The correct parameter to specify the model is model_name, not model.

  2. Step 2: Validate method usage

    embed_query accepts a string, so that is correct.

  3. Step 3: Confirm import and instantiation

    Import and instantiation are valid.

  4. Final Answer:

    The parameter should be 'model_name', not 'model'. -> Option D

  5. Quick Check:

    Check Langchain docs for correct parameter names. [OK]
Quick Trick: Use 'model_name' parameter for model selection [OK]
Common Mistakes:
  • Using 'model' instead of 'model_name'
  • Assuming embed_query needs a list
  • Incorrect import statements

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