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How do you handle version conflicts for libraries?

Behavioraleasy0.6 min readPremium
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Asked at 1 company
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144
questions in Behavioral
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100E|18M|26H
in this category
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1,863
across 7 categories
Asked at these companies
TCS
Key Concepts Tested
spark
Expert AnswerPremium
114 wordsInterview-ready
Situation: Our dbt project and a shared Spark job both depended on different PyArrow versions; one upgrade broke the other. We had 3 similar conflicts in a quarter. Task: Stabilize dependencies and prevent future conflicts. Action: I enforced lock files (poetry.lock, pip-tools) and hashed requirements.txt for reproducible builds. I created an internal package index with vetted, tested versions. I introduced a dependency review process—any upgrade required CI to pass for all consumers....
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