Fix I2C device scanning

[bessman]

Fix #239.

Summary by Sourcery

Bug Fixes:

• Fix incorrect I2C response handling during device scanning.

[sourcery-ai]

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[sourcery-ai]

Hey @bessman - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟡 General issues: 1 issue found
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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