diff --git a/orbit/utils/stan.py b/orbit/utils/stan.py
index 773e620e..4f8441c3 100644
--- a/orbit/utils/stan.py
+++ b/orbit/utils/stan.py
@@ -31,7 +31,7 @@
 
 
 def get_compiled_stan_model(
-    stan_model_name: str = "", 
+    stan_model_name: str = "",
     stan_file_path: Optional[str] = None,
     exe_file_path: Optional[str] = None,
     force_compile: bool = False,
@@ -43,12 +43,12 @@ def get_compiled_stan_model(
     ----------
     stan_model_name :
         The name of the Stan model to use. Use this for the built in models (dlt, ets, ktrlite, lgt)
-    stan_file_path : 
+    stan_file_path :
         The path to the Stan file to use. If not provided, the default is to search for the file in the 'orbit' package.
         If provided, function will ignore the stan_model_name parameter, and will compile the provide stan_file_path
         into executable in place (same folder as stan_file_path)
-    exe_file_path : 
-        The path to the Stan-exe file to use. If not provided, the default is to search for the file 
+    exe_file_path :
+        The path to the Stan-exe file to use. If not provided, the default is to search for the file
         in the 'orbit' package. If provided, function will ignore the stan_model_name parameter,
         and will compile the provide stan_file_path into executable in place (same folder as stan_file_path)
     Returns
@@ -57,7 +57,9 @@ def get_compiled_stan_model(
         A compiled Stan model.
     """
     if (stan_file_path is not None) or (exe_file_path is not None):
-        sm = CmdStanModel(stan_file=stan_file, exe_file=exe_file_path, force_compile=force_compile)
+        sm = CmdStanModel(
+            stan_file=stan_file, exe_file=exe_file_path, force_compile=force_compile
+        )
     else:
         # Load orbit included cmdstan models
         # Some oddities here. if not providing exe_file, CmdStanModel would delete the actual executable file.