diff --git a/llama_cpp/server/cli.py b/llama_cpp/server/cli.py
index 763ef73dc..b2b2ac6cd 100644
--- a/llama_cpp/server/cli.py
+++ b/llama_cpp/server/cli.py
@@ -6,34 +6,35 @@
 from pydantic import BaseModel
 
 
-def _get_base_type(annotation: type[Any]) -> type[Any]:
+def _get_base_type(annotation: Type[Any]) -> Type[Any]:
     if getattr(annotation, "__origin__", None) is Literal:
         assert hasattr(annotation, "__args__") and len(annotation.__args__) >= 1  # type: ignore
         return type(annotation.__args__[0])  # type: ignore
-    if getattr(annotation, "__origin__", None) is Union:
+    elif getattr(annotation, "__origin__", None) is Union:
         assert hasattr(annotation, "__args__") and len(annotation.__args__) >= 1  # type: ignore
-        non_optional_args: list[type[Any]] = [
+        non_optional_args: List[Type[Any]] = [
             arg for arg in annotation.__args__ if arg is not type(None)  # type: ignore
         ]
         if non_optional_args:
             return _get_base_type(non_optional_args[0])
     elif (
         getattr(annotation, "__origin__", None) is list
-        or getattr(annotation, "__origin__", None) is list
+        or getattr(annotation, "__origin__", None) is List
     ):
         assert hasattr(annotation, "__args__") and len(annotation.__args__) >= 1  # type: ignore
         return _get_base_type(annotation.__args__[0])  # type: ignore
     return annotation
 
 
-def _contains_list_type(annotation: type[Any] | None) -> bool:
+def _contains_list_type(annotation: Type[Any] | None) -> bool:
     origin = getattr(annotation, "__origin__", None)
 
-    if origin is list or origin is list:
+    if origin is list or origin is List:
         return True
-    if origin in (Literal, Union):
+    elif origin in (Literal, Union):
         return any(_contains_list_type(arg) for arg in annotation.__args__)  # type: ignore
-    return False
+    else:
+        return False
 
 
 def _parse_bool_arg(arg: str | bytes | bool) -> bool:
@@ -47,12 +48,13 @@ def _parse_bool_arg(arg: str | bytes | bool) -> bool:
 
     if arg_str in true_values:
         return True
-    if arg_str in false_values:
+    elif arg_str in false_values:
         return False
-    raise ValueError(f"Invalid boolean argument: {arg}")
+    else:
+        raise ValueError(f"Invalid boolean argument: {arg}")
 
 
-def add_args_from_model(parser: argparse.ArgumentParser, model: type[BaseModel]):
+def add_args_from_model(parser: argparse.ArgumentParser, model: Type[BaseModel]):
     """Add arguments from a pydantic model to an argparse parser."""
 
     for name, field in model.model_fields.items():
@@ -80,7 +82,7 @@ def add_args_from_model(parser: argparse.ArgumentParser, model: type[BaseModel])
             )
 
 
-T = TypeVar("T", bound=type[BaseModel])
+T = TypeVar("T", bound=Type[BaseModel])
 
 
 def parse_model_from_args(model: T, args: argparse.Namespace) -> T:
@@ -90,5 +92,5 @@ def parse_model_from_args(model: T, args: argparse.Namespace) -> T:
             k: v
             for k, v in vars(args).items()
             if v is not None and k in model.model_fields
-        },
+        }
     )