Align SkipRepeatsQueue with Eventlet's Queue implementation.

src/watchdog/utils/bricks.py

@@ -72,14 +72,13 @@ def _init(self, maxsize: int) -> None:
         super()._init(maxsize)
         self._last_item = None
 
-    def _put(self, item: Any) -> None:
+    def put(self, item: Any, block: bool = True, timeout: float | None = None) -> None:
         if self._last_item is None or item != self._last_item:
-            super()._put(item)
-            self._last_item = item
-        else:
-            # `put` increments `unfinished_tasks` even if we did not put
-            # anything into the queue here
-            self.unfinished_tasks -= 1
+            super().put(item, block, timeout)
+
+    def _put(self, item: Any) -> None:
+        super()._put(item)
+        self._last_item = item
 
     def _get(self) -> Any:
         item = super()._get()

tests/isolated/eventlet_skip_repeat_queue.py

@@ -5,19 +5,29 @@
 
     from watchdog.utils.bricks import SkipRepeatsQueue
 
-    # same as test_basic_queue() inside test_skip_repeats_queue.py
+    q = SkipRepeatsQueue(10)
+    q.put('A')
+    q.put('A')
+    q.put('A')
+    q.put('A')
+    q.put('B')
+    q.put('A')
 
-    q = SkipRepeatsQueue()
+    value = q.get()
+    assert value == 'A'
+    q.task_done()
 
-    e1 = (2, "fred")
-    e2 = (2, "george")
-    e3 = (4, "sally")
+    assert q.unfinished_tasks == 2
 
-    q.put(e1)
-    q.put(e2)
-    q.put(e3)
+    value = q.get()
+    assert value == 'B'
+    q.task_done()
+
+    assert q.unfinished_tasks == 1
+
+    value = q.get()
+    assert value == 'A'
+    q.task_done()
 
-    assert e1 == q.get()
-    assert e2 == q.get()
-    assert e3 == q.get()
     assert q.empty()
+    assert q.unfinished_tasks == 0