From 1ee28d8afbe59c326c5576c93ec5625d09067add Mon Sep 17 00:00:00 2001
From: Sneha Nair <150941178+Snehaaa24@users.noreply.github.com>
Date: Tue, 14 Jan 2025 16:25:54 +0530
Subject: [PATCH 1/3] added explicit checks for None before calling obj_type()
 to prevent errors if obj_type is None.

---
 mypy/mro.py | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/mypy/mro.py b/mypy/mro.py
index f34f3fa0c46d..01786c659428 100644
--- a/mypy/mro.py
+++ b/mypy/mro.py
@@ -32,8 +32,7 @@ def linearize_hierarchy(
         return info.mro
     bases = info.direct_base_classes()
     if not bases and info.fullname != "builtins.object" and obj_type is not None:
-        # Probably an error, add a dummy `object` base class,
-        # otherwise MRO calculation may spuriously fail.
+        # If no base classes are found, and obj_type is provided, we use obj_type to provide a base.
         bases = [obj_type().type]
     lin_bases = []
     for base in bases:

From f28a47f2584d92ae338bbf7e9069fb61091e3f28 Mon Sep 17 00:00:00 2001
From: Sneha Nair <150941178+Snehaaa24@users.noreply.github.com>
Date: Tue, 14 Jan 2025 19:22:50 +0530
Subject: [PATCH 2/3] Adding some more checks for None.

---
 misc/analyze_cache.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/misc/analyze_cache.py b/misc/analyze_cache.py
index 0a05493b77a3..8bf618eb8111 100644
--- a/misc/analyze_cache.py
+++ b/misc/analyze_cache.py
@@ -77,6 +77,8 @@ def pluck(name: str, chunks: Iterable[JsonDict]) -> Iterable[JsonDict]:
 
 
 def report_counter(counter: Counter[str], amount: int | None = None) -> None:
+    if amount is None:
+        amount=len(counter) #default to the length of the counter if `amount` is None
     for name, count in counter.most_common(amount):
         print(f"    {count: <8} {name}")
     print()

From eee7f691e7c963bd4ffba3f7a1587de7715e1a3c Mon Sep 17 00:00:00 2001
From: "pre-commit-ci[bot]"
 <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Date: Tue, 14 Jan 2025 14:05:11 +0000
Subject: [PATCH 3/3] [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci
---
 misc/analyze_cache.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/analyze_cache.py b/misc/analyze_cache.py
index 8bf618eb8111..f67e9b0ba753 100644
--- a/misc/analyze_cache.py
+++ b/misc/analyze_cache.py
@@ -78,7 +78,7 @@ def pluck(name: str, chunks: Iterable[JsonDict]) -> Iterable[JsonDict]:
 
 def report_counter(counter: Counter[str], amount: int | None = None) -> None:
     if amount is None:
-        amount=len(counter) #default to the length of the counter if `amount` is None
+        amount = len(counter)  # default to the length of the counter if `amount` is None
     for name, count in counter.most_common(amount):
         print(f"    {count: <8} {name}")
     print()