[Bug]: MemoryBank with Crewai example not working

### File Name

generative-ai/blob/main/gemini/agent-engine/memory/get_started_with_memory_bank_crewai.ipynb

### What happened?

while trying out crewai example with memory bank

https://github.com/GoogleCloudPlatform/generative-ai/blob/main/gemini/agent-engine/memory/get_started_with_memory_bank_crewai.ipynb

got below error ..any thoughts on how to fix

[/usr/local/lib/python3.11/dist-packages/crewai/memory/contextual/contextual_memory.py](https://localhost:8080/#) in (.0)
114
115 formatted_memories = "\n".join(
--> 116 f"- {result['context']}" for result in external_memories
117 )
118 return f"External memories:\n{formatted_memories}"

KeyError: 'context'

### Relevant log output

```shell

```

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