diff --git a/.basedpyright/baseline.json b/.basedpyright/baseline.json
index db2bcf60..bf69c4b4 100644
--- a/.basedpyright/baseline.json
+++ b/.basedpyright/baseline.json
@@ -2403,86 +2403,6 @@
                     "lineCount": 1
                 }
             },
-            {
-                "code": "reportUnknownParameterType",
-                "range": {
-                    "startColumn": 4,
-                    "endColumn": 11,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownParameterType",
-                "range": {
-                    "startColumn": 12,
-                    "endColumn": 20,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportMissingParameterType",
-                "range": {
-                    "startColumn": 12,
-                    "endColumn": 20,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownVariableType",
-                "range": {
-                    "startColumn": 4,
-                    "endColumn": 6,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownMemberType",
-                "range": {
-                    "startColumn": 9,
-                    "endColumn": 26,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownVariableType",
-                "range": {
-                    "startColumn": 8,
-                    "endColumn": 9,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownArgumentType",
-                "range": {
-                    "startColumn": 17,
-                    "endColumn": 19,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownVariableType",
-                "range": {
-                    "startColumn": 8,
-                    "endColumn": 13,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownVariableType",
-                "range": {
-                    "startColumn": 8,
-                    "endColumn": 9,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportUnknownVariableType",
-                "range": {
-                    "startColumn": 11,
-                    "endColumn": 18,
-                    "lineCount": 1
-                }
-            },
             {
                 "code": "reportUnknownParameterType",
                 "range": {
@@ -7461,22 +7381,6 @@
                     "lineCount": 1
                 }
             },
-            {
-                "code": "reportAny",
-                "range": {
-                    "startColumn": 4,
-                    "endColumn": 8,
-                    "lineCount": 1
-                }
-            },
-            {
-                "code": "reportAny",
-                "range": {
-                    "startColumn": 28,
-                    "endColumn": 32,
-                    "lineCount": 1
-                }
-            },
             {
                 "code": "reportAny",
                 "range": {
diff --git a/pyproject.toml b/pyproject.toml
index 3845de3a..9f832a5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,12 +81,13 @@ extend-select = [
     "FURB",
 ]
 extend-ignore = [
-    "C90",  # McCabe complexity
-    "multiple-spaces-before-operator",
+    "complex-structure",
+    "f-string",
     "missing-whitespace-around-arithmetic-operator",
     "module-import-not-at-top-of-file",
+    "multiple-spaces-before-operator",
     "printf-string-formatting",
-    "f-string",
+    "pytest-parameter-with-default-argument",
 
     # FIXME: This is a longer discussion...
     "non-empty-init-module",
diff --git a/pytools/__init__.py b/pytools/__init__.py
index 76fe63fc..19a823af 100644
--- a/pytools/__init__.py
+++ b/pytools/__init__.py
@@ -839,13 +839,13 @@ def wrapper(obj: T, *args: P.args, **kwargs: P.kwargs) -> R_co:
 
         result = function(obj, *args, **kwargs)
         if attribute_error:
-            object.__setattr__(obj, cache_dict_name, {key: result})
+            object.__setattr__(obj, cache_dict_name, {key: result})  # ruff: ignore[unnecessary-dunder-call]
             return result
         getattr(obj, cache_dict_name)[key] = result
         return result
 
     def clear_cache(obj):
-        object.__delattr__(obj, cache_dict_name)
+        object.__delattr__(obj, cache_dict_name)  # ruff: ignore[unnecessary-dunder-call]
 
     from functools import update_wrapper
     new_wrapper = update_wrapper(wrapper, function)
@@ -1426,12 +1426,12 @@ def cartesian_product_sum(list1, list2):
 
 # {{{ elementary statistics
 
-def average(iterable):
+def average(iterable: Iterator[float]) -> float:
     """Return the average of the values in iterable.
 
     iterable may not be empty.
     """
-    it = iterable.__iter__()
+    it = iter(iterable)
 
     try:
         s = next(it)
diff --git a/pytools/datatable.py b/pytools/datatable.py
index 494b5920..4476f82e 100644
--- a/pytools/datatable.py
+++ b/pytools/datatable.py
@@ -206,8 +206,8 @@ def without(indexable: tuple[str, ...], idx: int) -> tuple[str, ...]:
         this_key_idx = self.column_indices[column]
         other_key_idx = other_table.column_indices[other_column]
 
-        this_iter = self.data.__iter__()
-        other_iter = other_table.data.__iter__()
+        this_iter = iter(self.data)
+        other_iter = iter(other_table.data)
 
         result_columns = tuple(self.column_names[this_key_idx]) + \
                 without(tuple(self.column_names), this_key_idx) + \
diff --git a/pytools/persistent_dict.py b/pytools/persistent_dict.py
index 591e4294..8ea851d8 100644
--- a/pytools/persistent_dict.py
+++ b/pytools/persistent_dict.py
@@ -224,6 +224,7 @@ def rec(self, key_hash: Hash, key: Any) -> Hash:
 
         if not isinstance(key, type):
             try:
+                # ruff: ignore[unnecessary-dunder-call]
                 object.__setattr__(key, "_pytools_persistent_hash_digest", digest)
             except AttributeError:
                 pass
diff --git a/pytools/py_codegen.py b/pytools/py_codegen.py
index aea63ea3..da568388 100644
--- a/pytools/py_codegen.py
+++ b/pytools/py_codegen.py
@@ -107,7 +107,7 @@ def _make_module(
     code_obj = compile(
                 source_text.rstrip()+"\n", name, "exec")
     result_dict["__code__"] = code_obj
-    exec(code_obj, result_dict)  # ruff:ignore[exec-builtin]
+    exec(code_obj, result_dict)
 
     return result_dict
 
@@ -157,7 +157,7 @@ def _get_empty_module_dict(filename: str | None = None) -> dict[str, Any]:
     result_dict: dict[str, Any] = {}
     code_obj = compile("", filename, "exec")
     result_dict["__code__"] = code_obj
-    exec(code_obj, result_dict)  # ruff:ignore[exec-builtin]
+    exec(code_obj, result_dict)
     return result_dict
 
 
diff --git a/pytools/test/test_pytools.py b/pytools/test/test_pytools.py
index bd56913f..a36ee1be 100644
--- a/pytools/test/test_pytools.py
+++ b/pytools/test/test_pytools.py
@@ -716,8 +716,14 @@ def test_strtobool():
 
     with pytest.raises(ValueError):
         strtobool("tru")  # spellchecker: disable-line
+
+    with pytest.raises(ValueError):
         strtobool("fal")  # spellchecker: disable-line
+
+    with pytest.raises(ValueError):
         strtobool("xxx")
+
+    with pytest.raises(ValueError):
         strtobool(".")
 
     assert strtobool(None, False) is False