diff --git a/payu/models/cesm_cmeps.py b/payu/models/cesm_cmeps.py
index d65b34b3..8c172a7e 100644
--- a/payu/models/cesm_cmeps.py
+++ b/payu/models/cesm_cmeps.py
@@ -195,7 +195,7 @@ def _setup_checks(self):
             nthreads = int(self.runconfig.get("PELAYOUT_attributes", f"{realm}_nthreads"))
             rootpe = int(self.runconfig.get("PELAYOUT_attributes", f"{realm}_rootpe"))
             pestride = int(self.runconfig.get("PELAYOUT_attributes", f"{realm}_pestride"))
-            npes = (ntasks-1)*nthreads*pestride  #count to the last process, starting at 0
+            npes = (ntasks-1)*nthreads*pestride  # count to the last process, starting at 0
             if (rootpe + npes) > cpucount:
                 raise ValueError(
                     f"Insufficient cpus for the {realm} pelayout in {NUOPC_CONFIG}"
@@ -204,7 +204,7 @@ def _setup_checks(self):
             # check iolayout
             if realm == "cpl":
                 comp = "MED"  # med and cpl names are both used in runconfig
-            else :
+            else:
                 comp = realm.upper()
             if comp in self.runconfig.get_component_list():
                 io_section = f"{comp}_modelio"
@@ -218,9 +218,9 @@ def _setup_checks(self):
                     )
 
                 match nc_type:
-                    case "netcdf" :
+                    case "netcdf":
                         break
-                    case "netcdf4p" | "pnetcdf" :
+                    case "netcdf4p" | "pnetcdf":
                         if self.runconfig.get(io_section, "pio_async_interface") == ".false." :
                             niotasks = int(self.runconfig.get(io_section, "pio_numiotasks"))
                             iostride = int(self.runconfig.get(io_section, "pio_stride"))
@@ -235,7 +235,7 @@ def _setup_checks(self):
                             f"netcdf4c in {io_section} of {NUOPC_CONFIG} is deprecated, "
                             "use netcdf4p"
                         )
-                    case _ : 
+                    case _:
                         raise ValueError(
                             f"The iotype for {io_section} in {NUOPC_CONFIG} is "
                             'invalid, valid options are "netcdf", "pnetcdf" and "netcdf4p"'
@@ -364,7 +364,7 @@ def get(self, section, variable, value=None):
             return self.contents[span[0]:span[1]]
         else:
             return value
-        
+
     def get_component_list(self, value=None):
         """
         Get the `component_list`