From c5a38877314a1ab22ce0585226a0e3ad9922c1a3 Mon Sep 17 00:00:00 2001
From: hauntsaninja <>
Date: Sat, 19 Feb 2022 18:55:34 -0800
Subject: [PATCH 1/4] collections: add __missing__ to Counter

---
 stdlib/collections/__init__.pyi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stdlib/collections/__init__.pyi b/stdlib/collections/__init__.pyi
index 6ea011763884..8cf2cd66978e 100644
--- a/stdlib/collections/__init__.pyi
+++ b/stdlib/collections/__init__.pyi
@@ -277,6 +277,7 @@ class Counter(dict[_T, int], Generic[_T]):
     def update(self, __m: Iterable[_T] | Iterable[tuple[_T, int]], **kwargs: int) -> None: ...
     @overload
     def update(self, __m: None = ..., **kwargs: int) -> None: ...
+    def __missing__(self, key: _T) -> int: ...
     def __delitem__(self, elem: object) -> None: ...
     def __eq__(self, other: object) -> bool: ...
     def __ne__(self, other: object) -> bool: ...

From 59ce3f96ba0538e4a9667116a33244fa15fb601a Mon Sep 17 00:00:00 2001
From: hauntsaninja <>
Date: Sat, 19 Feb 2022 23:05:44 -0800
Subject: [PATCH 2/4] positional only

---
 stdlib/collections/__init__.pyi | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/stdlib/collections/__init__.pyi b/stdlib/collections/__init__.pyi
index 8cf2cd66978e..2977f2f75dd7 100644
--- a/stdlib/collections/__init__.pyi
+++ b/stdlib/collections/__init__.pyi
@@ -279,8 +279,12 @@ class Counter(dict[_T, int], Generic[_T]):
     def update(self, __m: None = ..., **kwargs: int) -> None: ...
     def __missing__(self, key: _T) -> int: ...
     def __delitem__(self, elem: object) -> None: ...
-    def __eq__(self, other: object) -> bool: ...
-    def __ne__(self, other: object) -> bool: ...
+    if sys.version_info >= (3, 10):
+        def __eq__(self, other: object) -> bool: ...
+        def __ne__(self, other: object) -> bool: ...
+    else:
+        def __eq__(self, __other: object) -> bool: ...
+        def __ne__(self, __other: object) -> bool: ...
     def __add__(self, other: Counter[_T]) -> Counter[_T]: ...
     def __sub__(self, other: Counter[_T]) -> Counter[_T]: ...
     def __and__(self, other: Counter[_T]) -> Counter[_T]: ...

From ae57cee646a6c6e707cde24ccc23498ab602fad1 Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Sun, 20 Feb 2022 07:07:00 +0000
Subject: [PATCH 3/4] [pre-commit.ci] auto fixes from pre-commit.com hooks

---
 stdlib/collections/__init__.pyi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/stdlib/collections/__init__.pyi b/stdlib/collections/__init__.pyi
index 2977f2f75dd7..724b88d477e4 100644
--- a/stdlib/collections/__init__.pyi
+++ b/stdlib/collections/__init__.pyi
@@ -285,6 +285,7 @@ class Counter(dict[_T, int], Generic[_T]):
     else:
         def __eq__(self, __other: object) -> bool: ...
         def __ne__(self, __other: object) -> bool: ...
+
     def __add__(self, other: Counter[_T]) -> Counter[_T]: ...
     def __sub__(self, other: Counter[_T]) -> Counter[_T]: ...
     def __and__(self, other: Counter[_T]) -> Counter[_T]: ...

From eb9ac574b027c04351c679e476f30f53f9c02230 Mon Sep 17 00:00:00 2001
From: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Date: Sun, 20 Feb 2022 01:59:52 -0800
Subject: [PATCH 4/4] Update stdlib/collections/__init__.pyi

---
 stdlib/collections/__init__.pyi | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/stdlib/collections/__init__.pyi b/stdlib/collections/__init__.pyi
index 724b88d477e4..c5fe236db63b 100644
--- a/stdlib/collections/__init__.pyi
+++ b/stdlib/collections/__init__.pyi
@@ -282,9 +282,6 @@ class Counter(dict[_T, int], Generic[_T]):
     if sys.version_info >= (3, 10):
         def __eq__(self, other: object) -> bool: ...
         def __ne__(self, other: object) -> bool: ...
-    else:
-        def __eq__(self, __other: object) -> bool: ...
-        def __ne__(self, __other: object) -> bool: ...
 
     def __add__(self, other: Counter[_T]) -> Counter[_T]: ...
     def __sub__(self, other: Counter[_T]) -> Counter[_T]: ...