upgrade to mypy v0.982 (#7241)

.pre-commit-config.yaml

@@ -35,7 +35,7 @@ repos:
         #  dependency. Make sure to update flake8-bugbear manually on a regular basis.
           - flake8-bugbear==22.9.23
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.971
+    rev: v0.982
     hooks:
       - id: mypy
         # Override default --ignore-missing-imports
@@ -66,7 +66,7 @@ repos:
   # Note that we are not checking MacOSX explicitly, as there are typically no
   # differences from Linux.
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.971
+    rev: v0.982
     hooks:
       - id: mypy
         args: [--warn-unused-configs, --platform, win32]

distributed/collections.py

@@ -59,8 +59,7 @@ class HeapSet(MutableSet[T]):
     _sorted: bool
 
     def __init__(self, *, key: Callable[[T], Any]):
-        # FIXME https://github.com/python/mypy/issues/708
-        self.key = key  # type: ignore
+        self.key = key
         self._data = set()
         self._inc = 0
         self._heap = []
@@ -78,7 +77,7 @@ def _unpickle(
         key: Callable[[T], Any], inc: int, heap: list[tuple[Any, int, T]]
     ) -> HeapSet[T]:
         self = object.__new__(HeapSet)
-        self.key = key  # type: ignore
+        self.key = key
         self._data = {v for _, _, v in heap}
         self._inc = inc
         self._heap = [(k, i, weakref.ref(v)) for k, i, v in heap]
@@ -95,7 +94,7 @@ def __len__(self) -> int:
     def add(self, value: T) -> None:
         if value in self._data:
             return
-        k = self.key(value)  # type: ignore
+        k = self.key(value)
         vref = weakref.ref(value)
         heapq.heappush(self._heap, (k, self._inc, vref))
         self._sorted = False