2.10.rst

What's New in Pylint 2.10

Release

2.10

Date

TBA

Summary -- Release highlights

New checkers

• Added unspecified-encoding: Emitted when open() is called without specifying an encoding

  Closes #3826

• Added use-list-literal: Emitted when list() is called with no arguments instead of using []

  Closes #4365

• Added use-dict-literal: Emitted when dict() is called with no arguments instead of using {}

  Closes #4365

• Added forgotten-debug-statement: Emitted when breakpoint, pdb.set_trace or sys.breakpointhook calls are found

  Closes #3692

Extensions

• CodeStyleChecker
  • Extended consider-using-tuple check to cover in comparisons.

Other Changes

• Pyreverse - Show class has-a relationships inferred from type-hints
• Performance of the Similarity checker has been improved.
• Added time.clock to deprecated functions/methods for python 3.3
• Added ignored-parents option to the design checker to ignore specific classes from the too-many-ancestors check (R0901).

• Don't emit no-member error if guarded behind if statement.

  Ref #1162 Closes #1990 Closes #4168