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TECH DEBT TRIBUNALMutable Default Arguments (Python Anti-Pattern)
⏱ 00:00Junior · ~15 min
📂 src/cart
📄cart.py
📄test_cart.pyread-only
cart.py
test_cart.py🔒
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Live Analysis
Cyclomatic ComplexityLIVE
0 / 4 target
Complexity is within acceptable limits.
ObjectivesPENDING
0 / 3
  • ○ Fix add_item — use None sentinel instead of mutable default
  • ○ Fix build_headers — use None sentinel instead of mutable default
  • ○ Use None as the default value in all signatures
Acceptance Testspytest
— / 9
Submit to run acceptance suite.