[Solved] Why does this custom agent code raise an error? class MyAgent(BaseAgent): def plan(self, input_text): return input_text + 5 agent = MyAgent() agent.plan('Hello') | LangChain

LangChain - Agents

Why does this custom agent code raise an error?

class MyAgent(BaseAgent):
    def plan(self, input_text):
        return input_text + 5

agent = MyAgent()
agent.plan('Hello')

AMissing return statement in plan method.

BBaseAgent class not imported.

CCannot add integer to string, causing TypeError.

Dplan method should not take parameters.

Step-by-Step Solution

Solution:

Step 1: Analyze the plan method operation
The method tries to add 5 (int) to input_text (string).
Step 2: Identify type mismatch error
Adding int to string causes a TypeError in Python.
Final Answer:
Cannot add integer to string, causing TypeError. -> Option C
Quick Check:
Type mismatch in addition causes error [OK]

Quick Trick: Check data types before operations [OK]

Common Mistakes:

MISTAKES

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Why does this custom agent code raise an error?