diff --git a/cmd2/argparse_custom.py b/cmd2/argparse_custom.py
index 2371fa54..595737c5 100644
--- a/cmd2/argparse_custom.py
+++ b/cmd2/argparse_custom.py
@@ -352,8 +352,7 @@ class ChoicesProviderFuncBase(Protocol):
     Function that returns a list of choices in support of tab completion
     """
 
-    def __call__(self) -> List[str]:
-        ...  # pragma: no cover
+    def __call__(self) -> List[str]: ...  # pragma: no cover
 
 
 @runtime_checkable
@@ -362,8 +361,7 @@ class ChoicesProviderFuncWithTokens(Protocol):
     Function that returns a list of choices in support of tab completion and accepts a dictionary of prior arguments.
     """
 
-    def __call__(self, *, arg_tokens: Dict[str, List[str]] = {}) -> List[str]:
-        ...  # pragma: no cover
+    def __call__(self, *, arg_tokens: Dict[str, List[str]] = {}) -> List[str]: ...  # pragma: no cover
 
 
 ChoicesProviderFunc = Union[ChoicesProviderFuncBase, ChoicesProviderFuncWithTokens]
@@ -381,8 +379,7 @@ def __call__(
         line: str,
         begidx: int,
         endidx: int,
-    ) -> List[str]:
-        ...  # pragma: no cover
+    ) -> List[str]: ...  # pragma: no cover
 
 
 @runtime_checkable
@@ -400,8 +397,7 @@ def __call__(
         endidx: int,
         *,
         arg_tokens: Dict[str, List[str]] = {},
-    ) -> List[str]:
-        ...  # pragma: no cover
+    ) -> List[str]: ...  # pragma: no cover
 
 
 CompleterFunc = Union[CompleterFuncBase, CompleterFuncWithTokens]
diff --git a/cmd2/decorators.py b/cmd2/decorators.py
index c9fd159e..fdebdd4e 100644
--- a/cmd2/decorators.py
+++ b/cmd2/decorators.py
@@ -247,6 +247,7 @@ def _set_parser_prog(parser: argparse.ArgumentParser, prog: str) -> None:
         elif action.required:
             req_args.append(action.dest)
 
+
 #: Function signature for a Command Function that uses an argparse.ArgumentParser to process user input
 #: and optionally returns a boolean
 ArgparseCommandFuncOptionalBoolReturn = Callable[[CommandParent, argparse.Namespace], Optional[bool]]
@@ -272,8 +273,7 @@ def with_argparser(
     ns_provider: Optional[Callable[..., argparse.Namespace]] = None,
     preserve_quotes: bool = False,
     with_unknown_args: bool = False,
-) -> Callable[[ArgparseCommandFunc[CommandParent]], RawCommandFuncOptionalBoolReturn[CommandParent]]:
-    ...  # pragma: no cover
+) -> Callable[[ArgparseCommandFunc[CommandParent]], RawCommandFuncOptionalBoolReturn[CommandParent]]: ...  # pragma: no cover
 
 
 @overload
@@ -283,8 +283,7 @@ def with_argparser(
     ns_provider: Optional[Callable[..., argparse.Namespace]] = None,
     preserve_quotes: bool = False,
     with_unknown_args: bool = False,
-) -> Callable[[ArgparseCommandFunc[CommandParent]], RawCommandFuncOptionalBoolReturn[CommandParent]]:
-    ...  # pragma: no cover
+) -> Callable[[ArgparseCommandFunc[CommandParent]], RawCommandFuncOptionalBoolReturn[CommandParent]]: ...  # pragma: no cover
 
 
 def with_argparser(
@@ -424,8 +423,7 @@ def as_subcommand_to(
     *,
     help: Optional[str] = None,
     aliases: Optional[List[str]] = None,
-) -> Callable[[ArgparseCommandFunc[CommandParent]], ArgparseCommandFunc[CommandParent]]:
-    ...  # pragma: no cover
+) -> Callable[[ArgparseCommandFunc[CommandParent]], ArgparseCommandFunc[CommandParent]]: ...  # pragma: no cover
 
 
 @overload
@@ -436,8 +434,7 @@ def as_subcommand_to(
     *,
     help: Optional[str] = None,
     aliases: Optional[List[str]] = None,
-) -> Callable[[ArgparseCommandFunc[CommandParent]], ArgparseCommandFunc[CommandParent]]:
-    ...  # pragma: no cover
+) -> Callable[[ArgparseCommandFunc[CommandParent]], ArgparseCommandFunc[CommandParent]]: ...  # pragma: no cover
 
 
 def as_subcommand_to(
diff --git a/cmd2/history.py b/cmd2/history.py
index a7d6baff..c79a19dd 100644
--- a/cmd2/history.py
+++ b/cmd2/history.py
@@ -154,12 +154,10 @@ def _zero_based_index(self, onebased: Union[int, str]) -> int:
         return result
 
     @overload
-    def append(self, new: HistoryItem) -> None:
-        ...  # pragma: no cover
+    def append(self, new: HistoryItem) -> None: ...  # pragma: no cover
 
     @overload
-    def append(self, new: Statement) -> None:
-        ...  # pragma: no cover
+    def append(self, new: Statement) -> None: ...  # pragma: no cover
 
     def append(self, new: Union[Statement, HistoryItem]) -> None:
         """Append a new statement to the end of the History list.