diff --git a/querybuilder/drivers/sql/tokenizer.py b/querybuilder/drivers/sql/tokenizer.py
index 768e51c313c23a6cc0f0b62a07d6afc39ae67620..d52d89bd36b9992aa8453e086eadd10b32083b64 100644
--- a/querybuilder/drivers/sql/tokenizer.py
+++ b/querybuilder/drivers/sql/tokenizer.py
@@ -41,7 +41,7 @@ Tknzr = TypeVar("Tknzr", bound="Tokenizer")
 
 
 def name_and_defer(
-    func: Callable[Concatenate[Tknzr, P], TkTree]
+    func: Callable[Concatenate[Tknzr, P], TkTree],
 ) -> Callable[Concatenate[Tknzr, P], TkTree]:
     def f(
         tokenizer: Tknzr,
diff --git a/querybuilder/formatting/style.py b/querybuilder/formatting/style.py
index 82e82238e64951c638f9105dcb295de0e3a6790f..40e79f995584f2e4f27390fa3fe034785c65e634 100644
--- a/querybuilder/formatting/style.py
+++ b/querybuilder/formatting/style.py
@@ -70,7 +70,7 @@ class StandardStyle(ChainMap[str, Callable[[str], str]]):
 
     @overload
     def get(
-        self, key: qbformatting.token._TokenType | str, /
+        self, key: qbformatting.token._TokenType | str, /, default: None = None
     ) -> Callable[[str], str] | None:
         ...
 
@@ -79,7 +79,7 @@ class StandardStyle(ChainMap[str, Callable[[str], str]]):
         self,
         key: qbformatting.token._TokenType | str,
         /,
-        default: T | Callable[[str], str],
+        default: T,
     ) -> Callable[[str], str] | T:
         ...
 
diff --git a/querybuilder/queries/tcl.py b/querybuilder/queries/tcl.py
index 8e98d3a35731e7ca09aa7e777d0cc4ee14adc931..e3715dc83098dfcaf694a8493e7e66170557b5f0 100644
--- a/querybuilder/queries/tcl.py
+++ b/querybuilder/queries/tcl.py
@@ -72,7 +72,7 @@ class Initiate(TCLQuery):
         return dict(
             isolation_level=self.isolation_level,
             read_only=self.read_only,
-            **super()._get_subtokenize_kwargs(tokenizer)
+            **super()._get_subtokenize_kwargs(tokenizer),
         )
 
     def set_isolation_level(self, isolation_level):
diff --git a/querybuilder/tests/atoms/test_columns.py b/querybuilder/tests/atoms/test_columns.py
index d7cf58449d9fb417ab7f0b94dd8f425ca0a4d44e..94fac32ae3a85f0778fb37c0abcc44f380b2a71d 100644
--- a/querybuilder/tests/atoms/test_columns.py
+++ b/querybuilder/tests/atoms/test_columns.py
@@ -438,7 +438,7 @@ class TestCase:
             (T, colv.gt(colk)),
             *when[2:],
             (T, colk.not_()),
-            else_=colk.iff(colk, colv)
+            else_=colk.iff(colk, colv),
         )
         col_expected = qbcolumns.Case(
             (T, colv.isnull()),
@@ -447,7 +447,7 @@ class TestCase:
             (T, colv.gt(colv)),
             *when[2:],
             (T, colv.not_()),
-            else_=colv.iff(colv, colv)
+            else_=colv.iff(colv, colv),
         )
         col_substitued = col.substitute(substitutions)
 
diff --git a/querybuilder/utils/decorators.py b/querybuilder/utils/decorators.py
index e7f86d5210b99eb7d799a0609083933bc162b069..5f9cd055ed148ff512d0d7f84d830b09d792e043 100644
--- a/querybuilder/utils/decorators.py
+++ b/querybuilder/utils/decorators.py
@@ -63,7 +63,7 @@ class TypeDispatch(Generic[P, R, Tknzr]):
         if func is None:
 
             def decor(
-                f: Callable[Concatenate[Tknzr, type, P], R]
+                f: Callable[Concatenate[Tknzr, type, P], R],
             ) -> Callable[Concatenate[Tknzr, type, P], R]:
                 return self.register(cls, f)