diff --git a/codeflash/code_utils/git_utils.py b/codeflash/code_utils/git_utils.py
index 05056828b..a445576e0 100644
--- a/codeflash/code_utils/git_utils.py
+++ b/codeflash/code_utils/git_utils.py
@@ -9,7 +9,7 @@
 from functools import cache
 from io import StringIO
 from pathlib import Path
-from typing import TYPE_CHECKING
+from typing import TYPE_CHECKING, Optional
 
 import git
 from rich.prompt import Confirm
diff --git a/codeflash/lsp/beta.py b/codeflash/lsp/beta.py
index 1b8edcec7..e97bb45cd 100644
--- a/codeflash/lsp/beta.py
+++ b/codeflash/lsp/beta.py
@@ -53,6 +53,7 @@ class ProvideApiKeyParams:
 class OnPatchAppliedParams:
     patch_id: str
 
+
 @dataclass
 class OptimizableFunctionsInCommitParams:
     commit_hash: str
diff --git a/codeflash/verification/comparator.py b/codeflash/verification/comparator.py
index a1e8c12eb..e6244b78a 100644
--- a/codeflash/verification/comparator.py
+++ b/codeflash/verification/comparator.py
@@ -7,6 +7,7 @@
 import math
 import re
 import types
+from collections import ChainMap, OrderedDict, deque
 from typing import Any
 
 import sentry_sdk
@@ -70,7 +71,7 @@ def comparator(orig: Any, new: Any, superset_obj=False) -> bool:  # noqa: ANN001
             # distinct type objects are created at runtime, even if the class code is exactly the same, so we can only compare the names
             if type_obj.__name__ != new_type_obj.__name__ or type_obj.__qualname__ != new_type_obj.__qualname__:
                 return False
-        if isinstance(orig, (list, tuple)):
+        if isinstance(orig, (list, tuple, deque, ChainMap)):
             if len(orig) != len(new):
                 return False
             return all(comparator(elem1, elem2, superset_obj) for elem1, elem2 in zip(orig, new))
@@ -93,6 +94,7 @@ def comparator(orig: Any, new: Any, superset_obj=False) -> bool:  # noqa: ANN001
                 enum.Enum,
                 type,
                 range,
+                OrderedDict,
             ),
         ):
             return orig == new
diff --git a/tests/test_comparator.py b/tests/test_comparator.py
index 06e692b39..4e404a512 100644
--- a/tests/test_comparator.py
+++ b/tests/test_comparator.py
@@ -4,6 +4,8 @@
 import datetime
 import decimal
 import re
+from collections import ChainMap, Counter, UserDict, UserList, UserString, defaultdict, deque, namedtuple, OrderedDict
+
 import sys
 import uuid
 from enum import Enum, Flag, IntFlag, auto
@@ -1394,3 +1396,110 @@ def raise_specific_exception():
     module2 = ast.parse(code2)
 
     assert not comparator(module7, module2)
+
+def test_collections() -> None:
+    # Deque
+    a = deque([1, 2, 3])
+    b = deque([1, 2, 3])
+    c = deque([1, 2, 4])
+    d = deque([1, 2])
+    e = [1, 2, 3]
+    f = deque([1, 2, 3], maxlen=5)
+    assert comparator(a, b)
+    assert comparator(a, f)  # same elements, different maxlen is ok
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+    assert not comparator(a, e)
+
+    g = deque([{"a": 1}, {"b": 2}])
+    h = deque([{"a": 1}, {"b": 2}])
+    i = deque([{"a": 1}, {"b": 3}])
+    assert comparator(g, h)
+    assert not comparator(g, i)
+
+    empty_deque1 = deque()
+    empty_deque2 = deque()
+    assert comparator(empty_deque1, empty_deque2)
+    assert not comparator(empty_deque1, a)
+
+    # namedtuple
+    Point = namedtuple('Point', ['x', 'y'])
+    a = Point(x=1, y=2)
+    b = Point(x=1, y=2)
+    c = Point(x=1, y=3)
+    assert comparator(a, b)
+    assert not comparator(a, c)
+
+    Point2 = namedtuple('Point2', ['x', 'y'])
+    d = Point2(x=1, y=2)
+    assert not comparator(a, d)
+
+    e = (1, 2)
+    assert not comparator(a, e)
+
+    # ChainMap
+    map1 = {'a': 1, 'b': 2}
+    map2 = {'c': 3, 'd': 4}
+    a = ChainMap(map1, map2)
+    b = ChainMap(map1, map2)
+    c = ChainMap(map2, map1)
+    d = {'a': 1, 'b': 2, 'c': 3, 'd': 4}
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+
+    # Counter
+    a = Counter(['a', 'b', 'a', 'c', 'b', 'a'])
+    b = Counter({'a': 3, 'b': 2, 'c': 1})
+    c = Counter({'a': 3, 'b': 2, 'c': 2})
+    d = {'a': 3, 'b': 2, 'c': 1}
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+
+    # OrderedDict
+    a = OrderedDict([('a', 1), ('b', 2)])
+    b = OrderedDict([('a', 1), ('b', 2)])
+    c = OrderedDict([('b', 2), ('a', 1)])
+    d = {'a': 1, 'b': 2}
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+
+    # defaultdict
+    a = defaultdict(int, {'a': 1, 'b': 2})
+    b = defaultdict(int, {'a': 1, 'b': 2})
+    c = defaultdict(list, {'a': 1, 'b': 2})
+    d = {'a': 1, 'b': 2}
+    e = defaultdict(int, {'a': 1, 'b': 3})
+    assert comparator(a, b)
+    assert comparator(a, c)
+    assert not comparator(a, d)
+    assert not comparator(a, e)
+
+    # UserDict
+    a = UserDict({'a': 1, 'b': 2})
+    b = UserDict({'a': 1, 'b': 2})
+    c = UserDict({'a': 1, 'b': 3})
+    d = {'a': 1, 'b': 2}
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+
+    # UserList
+    a = UserList([1, 2, 3])
+    b = UserList([1, 2, 3])
+    c = UserList([1, 2, 4])
+    d = [1, 2, 3]
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
+
+    # UserString
+    a = UserString("hello")
+    b = UserString("hello")
+    c = UserString("world")
+    d = "hello"
+    assert comparator(a, b)
+    assert not comparator(a, c)
+    assert not comparator(a, d)
\ No newline at end of file