fix joining gres

Author: tjfulle

src/hpc_connect/config.py

@@ -396,9 +396,12 @@ def count_per_socket(self, type: str, default: int | None = None) -> int:
 
     @cached_property
     def node_count(self) -> int:
+        count: int = 0
         for resource in self.resource_specs:
             if resource["type"] == "node":
-                return resource["count"]
+                count += resource["count"]
+        if count:
+            return count
         raise ValueError("Unable to determine node count")
 
     @cached_property

src/hpcc_slurm/submit.py

@@ -264,7 +264,7 @@ def read_sinfo() -> dict[str, Any] | None:
                     "cores_per_socket": cores_per_socket,
                     "threads_per_core": threads_per_core,
                     "cpus_per_node": cpus_per_node,
-                    "gres": " ".join(gres),
+                    "gres": " ".join(str(_) for _ in gres),
                 },
             }
             for res in gres: