code: def _uncovered_by(
      coverage: Mapping[Any, frozenset[int]], covered: frozenset[int]
  ) -> dict[Any, frozenset[int]]:
      return {
          pred: still_uncovered
          for pred, uncovered in coverage.items()
          if (still_uncovered := uncovered - covered)
      }
  
file_path: dedupe/dedupe/branch_and_bound.py
imports: from __future__ import annotations
  import functools
  from typing import Any, Iterable, Mapping, Sequence, Tuple
  from ._typing import Cover
  from .predicates import Predicate
label_desc: Use image node_id 3 for calling a global function with example usage: _uncovered_by(coverage, covered) and returns: unknown