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Aleksei Aleinikov
Aleksei Aleinikov

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🚨 Why You Should Avoid assert in Python in 2025

The assert statement has been a developer’s quick tool for years — but in 2025, more teams are ditching it in production.

✅ Why?

  1. assert disappears in optimized mode (-O), breaking critical checks
  2. It raises generic AssertionError, making debugging harder
  3. Logs and metrics tied to assert can silently vanish

🔥 Learn safer alternatives:

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