diff --git a/codeflash/code_utils/config_parser.py b/codeflash/code_utils/config_parser.py
index d814f12d0..e9ff9a735 100644
--- a/codeflash/code_utils/config_parser.py
+++ b/codeflash/code_utils/config_parser.py
@@ -52,8 +52,8 @@ def parse_config_file(
     assert isinstance(config, dict)
 
     # default values:
-    path_keys = ["module-root", "tests-root"]
-    path_list_keys = ["ignore-paths"]
+    path_keys = {"module-root", "tests-root"}
+    path_list_keys = {"ignore-paths", }
     str_keys = {"pytest-cmd": "pytest", "git-remote": "origin"}
     bool_keys = {"disable-telemetry": False, "disable-imports-sorting": False}
     list_str_keys = {"formatter-cmds": ["black $file"]}
@@ -83,7 +83,7 @@ def parse_config_file(
         else:  # Default to empty list
             config[key] = []
 
-    assert config["test-framework"] in ["pytest", "unittest"], (
+    assert config["test-framework"] in {"pytest", "unittest"}, (
         "In pyproject.toml, Codeflash only supports the 'test-framework' as pytest and unittest."
     )
     if len(config["formatter-cmds"]) > 0:
diff --git a/codeflash/code_utils/tabulate.py b/codeflash/code_utils/tabulate.py
index c278bfeae..c75dcd03e 100644
--- a/codeflash/code_utils/tabulate.py
+++ b/codeflash/code_utils/tabulate.py
@@ -70,7 +70,7 @@ def _pipe_segment_with_colons(align, colwidth):
     """Return a segment of a horizontal line with optional colons which
     indicate column's alignment (as in `pipe` output format)."""
     w = colwidth
-    if align in ["right", "decimal"]:
+    if align in {"right", "decimal"}:
         return ("-" * (w - 1)) + ":"
     elif align == "center":
         return ":" + ("-" * (w - 2)) + ":"
@@ -176,7 +176,7 @@ def _isconvertible(conv, string):
 def _isnumber(string):
     return (
         # fast path
-        type(string) in (float, int)
+        type(string) in {float, int}
         # covers 'NaN', +/- 'inf', and eg. '1e2', as well as any type
         # convertible to int/float.
         or (
@@ -188,7 +188,7 @@ def _isnumber(string):
                 # just an over/underflow
                 or (
                     not (math.isinf(float(string)) or math.isnan(float(string)))
-                    or string.lower() in ["inf", "-inf", "nan"]
+                    or string.lower() in {"inf", "-inf", "nan"}
                 )
             )
         )
@@ -210,7 +210,7 @@ def _isint(string, inttype=int):
 
 def _isbool(string):
     return type(string) is bool or (
-        isinstance(string, (bytes, str)) and string in ("True", "False")
+        isinstance(string, (bytes, str)) and string in {"True", "False"}
     )
 
 
@@ -570,7 +570,7 @@ def _normalize_tabular_data(tabular_data, headers, showindex="default"):
             # values is a property, has .index => it's likely a pandas.DataFrame (pandas 0.11.0)
             keys = list(tabular_data)
             if (
-                showindex in ["default", "always", True]
+                showindex in {"default", "always", True}
                 and tabular_data.index.name is not None
             ):
                 if isinstance(tabular_data.index.name, list):
@@ -686,7 +686,7 @@ def _normalize_tabular_data(tabular_data, headers, showindex="default"):
     rows = list(map(lambda r: r if _is_separating_line(r) else list(r), rows))
 
     # add or remove an index column
-    showindex_is_a_str = type(showindex) in [str, bytes]
+    showindex_is_a_str = type(showindex) in {str, bytes}
     if showindex == "never" or (not _bool(showindex) and not showindex_is_a_str):
         pass
 
@@ -820,7 +820,7 @@ def tabulate(
     if colglobalalign is not None:  # if global alignment provided
         aligns = [colglobalalign] * len(cols)
     else:  # default
-        aligns = [numalign if ct in [int, float] else stralign for ct in coltypes]
+        aligns = [numalign if ct in {int, float} else stralign for ct in coltypes]
     # then specific alignments
     if colalign is not None:
         assert isinstance(colalign, Iterable)
@@ -1044,4 +1044,4 @@ def _format_table(
         output = "\n".join(lines)
         return output
     else:  # a completely empty table
-        return ""
\ No newline at end of file
+        return ""
diff --git a/codeflash/code_utils/time_utils.py b/codeflash/code_utils/time_utils.py
index ce97183b4..d62c750cf 100644
--- a/codeflash/code_utils/time_utils.py
+++ b/codeflash/code_utils/time_utils.py
@@ -16,13 +16,13 @@ def humanize_runtime(time_in_ns: int) -> str:
 
         units = re.split(r",|\s", runtime_human)[1]
 
-        if units in ("microseconds", "microsecond"):
+        if units in {"microseconds", "microsecond"}:
             runtime_human = f"{time_micro:.3g}"
-        elif units in ("milliseconds", "millisecond"):
+        elif units in {"milliseconds", "millisecond"}:
             runtime_human = "%.3g" % (time_micro / 1000)
-        elif units in ("seconds", "second"):
+        elif units in {"seconds", "second"}:
             runtime_human = "%.3g" % (time_micro / (1000**2))
-        elif units in ("minutes", "minute"):
+        elif units in {"minutes", "minute"}:
             runtime_human = "%.3g" % (time_micro / (60 * 1000**2))
         else:  # hours
             runtime_human = "%.3g" % (time_micro / (3600 * 1000**2))
diff --git a/codeflash/optimization/function_optimizer.py b/codeflash/optimization/function_optimizer.py
index 93def83c0..7fa8805c9 100644
--- a/codeflash/optimization/function_optimizer.py
+++ b/codeflash/optimization/function_optimizer.py
@@ -793,7 +793,7 @@ def establish_original_code_baseline(
         line_profile_results = {"timings": {}, "unit": 0, "str_out": ""}
         # For the original function - run the tests and get the runtime, plus coverage
         with progress_bar(f"Establishing original code baseline for {self.function_to_optimize.function_name}"):
-            assert (test_framework := self.args.test_framework) in ["pytest", "unittest"]
+            assert (test_framework := self.args.test_framework) in {"pytest", "unittest"}
             success = True
 
             test_env = os.environ.copy()
@@ -941,7 +941,7 @@ def run_optimized_candidate(
         original_helper_code: dict[Path, str],
         file_path_to_helper_classes: dict[Path, set[str]],
     ) -> Result[OptimizedCandidateResult, str]:
-        assert (test_framework := self.args.test_framework) in ["pytest", "unittest"]
+        assert (test_framework := self.args.test_framework) in {"pytest", "unittest"}
 
         with progress_bar("Testing optimization candidate"):
             test_env = os.environ.copy()
@@ -1118,7 +1118,7 @@ def run_and_parse_tests(
                 f"stdout: {run_result.stdout}\n"
                 f"stderr: {run_result.stderr}\n"
             )
-        if testing_type in [TestingMode.BEHAVIOR, TestingMode.PERFORMANCE]:
+        if testing_type in {TestingMode.BEHAVIOR, TestingMode.PERFORMANCE}:
             results, coverage_results = parse_test_results(
                 test_xml_path=result_file_path,
                 test_files=test_files,
diff --git a/codeflash/tracing/profile_stats.py b/codeflash/tracing/profile_stats.py
index 50b8dae2e..6cf82f3e3 100644
--- a/codeflash/tracing/profile_stats.py
+++ b/codeflash/tracing/profile_stats.py
@@ -10,7 +10,7 @@
 class ProfileStats(pstats.Stats):
     def __init__(self, trace_file_path: str, time_unit: str = "ns") -> None:
         assert Path(trace_file_path).is_file(), f"Trace file {trace_file_path} does not exist"
-        assert time_unit in ["ns", "us", "ms", "s"], f"Invalid time unit {time_unit}"
+        assert time_unit in {"ns", "us", "ms", "s"}, f"Invalid time unit {time_unit}"
         self.trace_file_path = trace_file_path
         self.time_unit = time_unit
         logger.debug(hasattr(self, "create_stats"))
@@ -59,10 +59,10 @@ def print_stats(self, *amount):
         time_unit = {"ns": "nanoseconds", "us": "microseconds", "ms": "milliseconds", "s": "seconds"}[self.time_unit]
         print(f"in {self.total_tt:.3f} {time_unit}", file=self.stream)
         print(file=self.stream)
-        width, list = self.get_print_list(amount)
-        if list:
+        width, list_ = self.get_print_list(amount)
+        if list_:
             self.print_title()
-            for func in list:
+            for func in list_:
                 self.print_line(func)
             print(file=self.stream)
             print(file=self.stream)
diff --git a/codeflash/tracing/replay_test.py b/codeflash/tracing/replay_test.py
index eca1e50ef..d3439c81b 100644
--- a/codeflash/tracing/replay_test.py
+++ b/codeflash/tracing/replay_test.py
@@ -42,7 +42,7 @@ def get_function_alias(module: str, function_name: str) -> str:
 def create_trace_replay_test(
     trace_file: str, functions: list[FunctionModules], test_framework: str = "pytest", max_run_count=100
 ) -> str:
-    assert test_framework in ["pytest", "unittest"]
+    assert test_framework in {"pytest", "unittest"}
 
     imports = f"""import dill as pickle
 {"import unittest" if test_framework == "unittest" else ""}
diff --git a/codeflash/verification/comparator.py b/codeflash/verification/comparator.py
index 60372fcb4..f047d5b3c 100644
--- a/codeflash/verification/comparator.py
+++ b/codeflash/verification/comparator.py
@@ -233,7 +233,7 @@ def comparator(orig: Any, new: Any, superset_obj=False) -> bool:
                 new_keys = {k: v for k, v in new.__dict__.items() if k != "parent"}
             return comparator(orig_keys, new_keys, superset_obj)
 
-        if type(orig) in [types.BuiltinFunctionType, types.BuiltinMethodType]:
+        if type(orig) in {types.BuiltinFunctionType, types.BuiltinMethodType}:
             return new == orig
         if str(type(orig)) == "<class 'object'>":
             return True
diff --git a/codeflash/verification/equivalence.py b/codeflash/verification/equivalence.py
index 6703298c0..67b9de439 100644
--- a/codeflash/verification/equivalence.py
+++ b/codeflash/verification/equivalence.py
@@ -40,7 +40,7 @@ def compare_test_results(original_results: TestResults, candidate_results: TestR
         superset_obj = False
         if original_test_result.verification_type and (
             original_test_result.verification_type
-            in (VerificationType.INIT_STATE_HELPER, VerificationType.INIT_STATE_FTO)
+            in {VerificationType.INIT_STATE_HELPER, VerificationType.INIT_STATE_FTO}
         ):
             superset_obj = True
         if not comparator(original_test_result.return_value, cdd_test_result.return_value, superset_obj=superset_obj):
@@ -70,7 +70,7 @@ def compare_test_results(original_results: TestResults, candidate_results: TestR
             are_equal = False
             break
 
-        if original_test_result.test_type in [TestType.EXISTING_UNIT_TEST, TestType.CONCOLIC_COVERAGE_TEST] and (
+        if original_test_result.test_type in {TestType.EXISTING_UNIT_TEST, TestType.CONCOLIC_COVERAGE_TEST} and (
             cdd_test_result.did_pass != original_test_result.did_pass
         ):
             are_equal = False
diff --git a/codeflash/verification/parse_line_profile_test_output.py b/codeflash/verification/parse_line_profile_test_output.py
index 0536d4825..5e753b932 100644
--- a/codeflash/verification/parse_line_profile_test_output.py
+++ b/codeflash/verification/parse_line_profile_test_output.py
@@ -16,12 +16,12 @@ def show_func(filename, start_lineno, func_name, timings, unit):
         return ''
     scalar = 1
     if os.path.exists(filename):
-        out_table+=f'## Function: {func_name}\n'
+        out_table += f'## Function: {func_name}\n'
         # Clear the cache to ensure that we get up-to-date results.
         linecache.clearcache()
         all_lines = linecache.getlines(filename)
         sublines = inspect.getblock(all_lines[start_lineno - 1:])
-    out_table+='## Total time: %g s\n' % (total_time * unit)
+    out_table += '## Total time: %g s\n' % (total_time * unit)
     # Define minimum column sizes so text fits and usually looks consistent
     default_column_sizes = {
         'hits': 9,
@@ -57,7 +57,7 @@ def show_func(filename, start_lineno, func_name, timings, unit):
         if 'def' in line_ or nhits!='':
             table_rows.append((nhits, time, per_hit, percent, line_))
     pass
-    out_table+= tabulate(headers=table_cols,tabular_data=table_rows,tablefmt="pipe",colglobalalign=None, preserve_whitespace=True)
+    out_table += tabulate(headers=table_cols,tabular_data=table_rows,tablefmt="pipe",colglobalalign=None, preserve_whitespace=True)
     out_table+='\n'
     return out_table
 
@@ -65,12 +65,12 @@ def show_text(stats: dict) -> str:
     """ Show text for the given timings.
     """
     out_table = ""
-    out_table+='# Timer unit: %g s\n' % stats['unit']
+    out_table += '# Timer unit: %g s\n' % stats['unit']
     stats_order = sorted(stats['timings'].items())
     # Show detailed per-line information for each function.
     for (fn, lineno, name), timings in stats_order:
-        table_md =show_func(fn, lineno, name, stats['timings'][fn, lineno, name], stats['unit'])
-        out_table+=table_md
+        table_md = show_func(fn, lineno, name, stats['timings'][fn, lineno, name], stats['unit'])
+        out_table += table_md
     return out_table
 
 def parse_line_profile_results(line_profiler_output_file: Optional[Path]) -> dict:
@@ -83,6 +83,6 @@ def parse_line_profile_results(line_profiler_output_file: Optional[Path]) -> dic
             stats = pickle.load(f)
             stats_dict['timings'] = stats.timings
             stats_dict['unit'] = stats.unit
-            str_out=show_text(stats_dict)
-            stats_dict['str_out']=str_out
-        return stats_dict, None
\ No newline at end of file
+            str_out = show_text(stats_dict)
+            stats_dict['str_out'] = str_out
+        return stats_dict, None
diff --git a/codeflash/verification/parse_test_output.py b/codeflash/verification/parse_test_output.py
index 924e2876a..2228559f9 100644
--- a/codeflash/verification/parse_test_output.py
+++ b/codeflash/verification/parse_test_output.py
@@ -127,7 +127,7 @@ def parse_sqlite_test_results(sqlite_file_path: Path, test_files: TestFiles, tes
             iteration_id = val[5]
             runtime = val[6]
             verification_type = val[8]
-            if verification_type in (VerificationType.INIT_STATE_FTO, VerificationType.INIT_STATE_HELPER):
+            if verification_type in {VerificationType.INIT_STATE_FTO, VerificationType.INIT_STATE_HELPER}:
                 test_type = TestType.INIT_STATE_TEST
             else:
                 # TODO : this is because sqlite writes original file module path. Should make it consistent
diff --git a/codeflash/verification/test_runner.py b/codeflash/verification/test_runner.py
index d8c58eb9a..483695b1a 100644
--- a/codeflash/verification/test_runner.py
+++ b/codeflash/verification/test_runner.py
@@ -164,7 +164,7 @@ def run_line_profile_tests(
         )
         test_files: list[str] = []
         for file in test_paths.test_files:
-            if file.test_type in [TestType.REPLAY_TEST, TestType.EXISTING_UNIT_TEST] and file.tests_in_file:
+            if file.test_type in {TestType.REPLAY_TEST, TestType.EXISTING_UNIT_TEST} and file.tests_in_file:
                 test_files.extend(
                     [
                         str(file.benchmarking_file_path)
@@ -224,7 +224,7 @@ def run_benchmarking_tests(
         )
         test_files: list[str] = []
         for file in test_paths.test_files:
-            if file.test_type in [TestType.REPLAY_TEST, TestType.EXISTING_UNIT_TEST] and file.tests_in_file:
+            if file.test_type in {TestType.REPLAY_TEST, TestType.EXISTING_UNIT_TEST} and file.tests_in_file:
                 test_files.extend(
                     [
                         str(file.benchmarking_file_path)
diff --git a/codeflash/verification/verification_utils.py b/codeflash/verification/verification_utils.py
index 79f1b9656..91ed31757 100644
--- a/codeflash/verification/verification_utils.py
+++ b/codeflash/verification/verification_utils.py
@@ -8,7 +8,7 @@
 
 
 def get_test_file_path(test_dir: Path, function_name: str, iteration: int = 0, test_type: str = "unit") -> Path:
-    assert test_type in ["unit", "inspired", "replay", "perf"]
+    assert test_type in {"unit", "inspired", "replay", "perf"}
     function_name = function_name.replace(".", "_")
     path = test_dir / f"test_{function_name}__{test_type}_test_{iteration}.py"
     if path.exists():