diff --git a/CIME/case/case_setup.py b/CIME/case/case_setup.py
index c6a35779832..6ca33d6cabc 100644
--- a/CIME/case/case_setup.py
+++ b/CIME/case/case_setup.py
@@ -392,7 +392,7 @@ def _case_setup_impl(
             # ----------------------------------------------------------------------------------------------------------
             # Sanity check for a GPU run:
             #        1. GPU_TYPE and GPU_OFFLOAD must both be defined to use GPUs
-            #        2. If the NGPUS_PER_NODE XML variable in the env_mach_pes.xml file is larger than 
+            #        2. If the NGPUS_PER_NODE XML variable in the env_mach_pes.xml file is larger than
             #           the value of MAX_GPUS_PER_NODE, set it to MAX_GPUS_PER_NODE automatically.
             #        3. If the NGPUS_PER_NODE XML variable is equal to 0, it will be updated to 1 automatically.
             # ----------------------------------------------------------------------------------------------------------
@@ -401,13 +401,19 @@ def _case_setup_impl(
             openacc_gpu_offload = case.get_value("OPENACC_GPU_OFFLOAD")
             openmp_gpu_offload = case.get_value("OPENMP_GPU_OFFLOAD")
             kokkos_gpu_offload = case.get_value("KOKKOS_GPU_OFFLOAD")
-            gpu_offload = (openacc_gpu_offload or openmp_gpu_offload or kokkos_gpu_offload)
+            gpu_offload = (
+                openacc_gpu_offload or openmp_gpu_offload or kokkos_gpu_offload
+            )
             ngpus_per_node = case.get_value("NGPUS_PER_NODE")
             if gpu_type and str(gpu_type).lower() != "none":
                 if max_gpus_per_node <= 0:
-                    raise RuntimeError(f"MAX_GPUS_PER_NODE must be larger than 0 for machine={mach} and compiler={compiler} in order to configure a GPU run")
+                    raise RuntimeError(
+                        f"MAX_GPUS_PER_NODE must be larger than 0 for machine={mach} and compiler={compiler} in order to configure a GPU run"
+                    )
                 if not gpu_offload:
-                    raise RuntimeError("GPU_TYPE is defined but none of the GPU OFFLOAD options are enabled")
+                    raise RuntimeError(
+                        "GPU_TYPE is defined but none of the GPU OFFLOAD options are enabled"
+                    )
                 case.gpu_enabled = True
                 if ngpus_per_node >= 0:
                     case.set_value(
@@ -417,9 +423,13 @@ def _case_setup_impl(
                         else max_gpus_per_node,
                     )
             elif gpu_offload:
-                raise RuntimeError("GPU_TYPE is not defined but at least one GPU OFFLOAD option is enabled")
+                raise RuntimeError(
+                    "GPU_TYPE is not defined but at least one GPU OFFLOAD option is enabled"
+                )
             elif ngpus_per_node and ngpus_per_node != 0:
-                raise RuntimeError(f"ngpus_per_node is expected to be 0 for a pure CPU run ; {ngpus_per_node} is provided instead ;")
+                raise RuntimeError(
+                    f"ngpus_per_node is expected to be 0 for a pure CPU run ; {ngpus_per_node} is provided instead ;"
+                )
 
             # May need to select new batch settings if pelayout changed (e.g. problem is now too big for prev-selected queue)
             env_batch = case.get_env("batch")
@@ -559,7 +569,6 @@ def case_setup(self, clean=False, test_mode=False, reset=False, keep=None):
 
 
 def _create_case_repo(self, caseroot):
-
     self._gitinterface = GitInterface(caseroot, logger, branch=self.get_value("CASE"))
     if self._gitinterface and not os.path.exists(os.path.join(caseroot, ".gitignore")):
         safe_copy(