fix: closing the backends does not open them on the process

Helmholtz-AI-Energy · Sep 21, 2023 · 13f95b3 · 13f95b3
1 parent 75bfca1
commit 13f95b3
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/perun/perun.py b/perun/perun.py
@@ -110,8 +110,9 @@ def backends(self) -> Dict[str, Backend]:
 
     def _close_backends(self):
         """Close available backends."""
-        for backend in self.backends.values():
-            backend.close()
+        if self._backends:
+            for backend in self._backends.values():
+                backend.close()
 
     @property
     def host_rank(self) -> Dict[str, List[int]]: