LangChain - LangSmith Observability
What is wrong with this code snippet for comparing prompt versions?
from langchain import PromptTemplate
prompt_v1 = PromptTemplate('Hello {name}')
prompt_v2 = PromptTemplate('Hi {name}')
What is wrong with this code snippet for comparing prompt versions? from langchain import PromptTemplate prompt_v1 = PromptTemplate('Hello {name}') prompt_v2 = PromptTemplate('Hi {name}')
medium📝 Debug Q6 of 15
Step-by-Step Solution
Solution:
Step 1: Check PromptTemplate constructor syntax
PromptTemplate requires the template string to be passed as template='...' keyword argument.Step 2: Identify error in code
The code passes the template string as a positional argument, which causes an error.Final Answer:
PromptTemplate requires a 'template=' keyword argument -> Option DQuick Check:
PromptTemplate needs template= keyword [OK]
Quick Trick: Always use template= when creating PromptTemplate [OK]
Common Mistakes:
MISTAKES- Passing template as positional argument
- Thinking variables are not allowed
- Wrong import path assumption
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