diff --git a/src/config_utils/assign_hyperparameters.py b/src/config_utils/assign_hyperparameters.py
index 88ee308..4f25e6d 100644
--- a/src/config_utils/assign_hyperparameters.py
+++ b/src/config_utils/assign_hyperparameters.py
@@ -84,7 +84,7 @@ def fix_types(df: pd.DataFrame, types: dict[str, str]) -> pd.DataFrame:
 
 
 def include_permutations(
-    list_of_lists: list[list[str]], param_names: list[str], df: pd.DataFrame
+    list_of_lists: tuple[Any, ...], param_names: tuple[Any, ...], df: pd.DataFrame
 ) -> pd.DataFrame:
     """
     Permutes discrete hyperparameter values before adding them to hyperparameter samples dataframe
@@ -107,7 +107,9 @@ def include_permutations(
     df["temp"] = pd.Series([permutations] * len(df))
     temp_df = df.explode("temp")
     temp_df.reset_index(inplace=True, drop=True)
-    df_with_permutations = temp_df.join(pd.DataFrame([*temp_df.temp], temp_df.index, param_names))
+    df_with_permutations = temp_df.join(
+        pd.DataFrame([*temp_df.temp], temp_df.index, param_names)
+    )
     df_with_permutations.drop(columns=["temp"], inplace=True)
     return df_with_permutations
 
@@ -120,7 +122,9 @@ def check_list_lengths(l1: list[Any], l2: list[Any]) -> None:
         raise ValueError("Lists must be the same length.") from exc
 
 
-def add_constant_params(names: list[str], values: list[Any], df: pd.DataFrame) -> pd.DataFrame:
+def add_constant_params(
+    names: tuple[Any, ...], values: tuple[Any, ...], df: pd.DataFrame
+) -> pd.DataFrame:
     """Adds any constant parameter values to the hyperparameter dataframe"""
     for name, value in zip(names, values):
         df[name] = value
@@ -175,7 +179,9 @@ def _handle_continuous_config(param_cfg: DictConfig, sobol_power: int) -> pd.Dat
     return fixed_df
 
 
-def _handle_discrete_config(param_cfg: DictConfig, hparam_df: pd.DataFrame) -> pd.DataFrame:
+def _handle_discrete_config(
+    param_cfg: DictConfig, hparam_df: pd.DataFrame
+) -> pd.DataFrame:
     """
     Reads in discrete parameters from config file and appends permutations
     of them to the hyperparameter dataframe
@@ -195,7 +201,9 @@ def _handle_discrete_config(param_cfg: DictConfig, hparam_df: pd.DataFrame) -> p
     return with_perm_df
 
 
-def _handle_static_config(param_cfg: DictConfig, hparam_df: pd.DataFrame) -> pd.DataFrame:
+def _handle_static_config(
+    param_cfg: DictConfig, hparam_df: pd.DataFrame
+) -> pd.DataFrame:
     """
     Reads in static parameters from config file and appends them to the hyperparameter dataframe