Remove duplicated code in routes.py

[sadra-barikbin]

Description

Hi there!

To do a tiny refactor in routes.py.

[gradio-pr-bot]

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Install Gradio from this PR

pip install https://gradio-builds.s3.amazonaws.com/47a8073d37958e29955a95db1059984fc908b13f/gradio-4.36.1-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@47a8073d37958e29955a95db1059984fc908b13f#subdirectory=client/python"

Install Gradio JS Client from this PR

npm install https://gradio-builds.s3.amazonaws.com/47a8073d37958e29955a95db1059984fc908b13f/gradio-client-1.1.1.tgz

[abidlabs]

Thank you @sadra-barikbin for the refactor!

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
gradio	minor

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With the following changelog entry.

Remove duplicated code in routes.py

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