feat: update genai textgen_with_pdf.py example

[msampathkumar]

Update the code examples to use a different data sources that does not include Gemini 1.5 model. The previous pdf is about Gemini 1.5 model.

bugs: b/407554370

• Please merge this PR for me once it is approved

[gemini-code-assist]

Hello @msampathkumar, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

Summary of Changes

This pull request updates the textgen_with_pdf.py example in the genai directory. The primary goal is to switch the data source from a PDF document about Gemini 1.5 to a different PDF document, presumably to avoid reliance on a specific model version. The change involves updating the file_uri within the Part.from_uri function to point to a new PDF file. Additionally, the example response text is updated to reflect the change in the document being summarized.

Highlights

• Data Source Update: The PDF file used for summarization has been changed from gs://cloud-samples-data/generative-ai/pdf/2403.05530.pdf (related to Gemini 1.5) to gs://cloud-samples-data/generative-ai/pdf/1706.03762v7.pdf.
• Example Response Update: The example response in the comments has been updated to reflect the summarization of the new PDF document, which discusses the Transformer neural network architecture.

Changelog

• genai/text_generation/textgen_with_pdf.py
  • Updated the file_uri in Part.from_uri to use a new PDF data source.
  • Modified the example response to align with the content of the new PDF document.

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[gemini-code-assist]

Code Review

The pull request updates the example code to use a different data source (PDF file) for text generation, as the previous one was specific to the Gemini 1.5 model. The prompt has also been slightly adjusted for clarity. Overall, the changes seem reasonable and address the stated goal.

Merge Readiness

The changes appear straightforward and address the issue of using a Gemini 1.5-specific PDF. Since there are no critical or high severity issues, the pull request seems ready to be merged after addressing the medium severity issue. I am unable to directly approve the pull request, and recommend that others review and approve this code before merging.

[msampathkumar]

CICD error says - RESOURCE_EXHAUSTED; Will re-try at a later time.