From 57f6bd5355f1daafdc26171cf5e06b65efe90f99 Mon Sep 17 00:00:00 2001
From: Stuart Reed <stuart.reed@ethereum.org>
Date: Tue, 20 Feb 2024 10:46:45 -0700
Subject: [PATCH 1/2] `Web3.is_address` no longer requires checksummed
 addresses

---
 eth_utils/address.py                      | 7 +------
 tests/address-utils/test_address_utils.py | 2 +-
 2 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/eth_utils/address.py b/eth_utils/address.py
index df77241a..3407e70b 100644
--- a/eth_utils/address.py
+++ b/eth_utils/address.py
@@ -59,12 +59,7 @@ def is_address(value: Any) -> bool:
     """
     Is the given string an address in any of the known formats?
     """
-    if is_hex_address(value):
-        if _is_checksum_formatted(value):
-            return is_checksum_address(value)
-        return True
-
-    if is_binary_address(value):
+    if is_hex_address(value) or is_binary_address(value):
         return True
 
     return False
diff --git a/tests/address-utils/test_address_utils.py b/tests/address-utils/test_address_utils.py
index fb8d8520..56f4f64d 100644
--- a/tests/address-utils/test_address_utils.py
+++ b/tests/address-utils/test_address_utils.py
@@ -35,8 +35,8 @@
         # checksummed - valid
         ("0x5B2063246F2191f18F2675ceDB8b28102e957458", True, True, False),
         (b"0x5B2063246F2191f18F2675ceDB8b28102e957458", False, False, False),
+        ("0x5b2063246F2191f18F2675ceDB8b28102e957458", True, True, False),
         # checksummed - invalid
-        ("0x5b2063246F2191f18F2675ceDB8b28102e957458", False, True, False),
         (b"0x5b2063246F2191f18F2675ceDB8b28102e957458", False, False, False),
         # too short - unprefixed
         ("c6d9d2cd449a754c494264e1809c50e34d64562", False, False, False),

From d33fa832cffcb8ab566b15a92ff826aa01cd366b Mon Sep 17 00:00:00 2001
From: Stuart Reed <stuart.reed@ethereum.org>
Date: Tue, 20 Feb 2024 10:58:10 -0700
Subject: [PATCH 2/2] Newsfragment for #265

---
 newsfragments/265.breaking.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 newsfragments/265.breaking.rst

diff --git a/newsfragments/265.breaking.rst b/newsfragments/265.breaking.rst
new file mode 100644
index 00000000..a1f708cc
--- /dev/null
+++ b/newsfragments/265.breaking.rst
@@ -0,0 +1 @@
+`Web3.is_address` now returns True for non-checksummed addresses.