Making safe_get safer

Author: Hartorn

giskard/utils/worker_pool.py

@@ -189,7 +189,7 @@ def safe_get(self, queue: Queue, timeout: float = 1) -> Tuple[Any, bool]:
             result = queue.get(timeout=timeout)
         except Empty:
             result = None
-        except ValueError as e:
+        except (ValueError, OSError) as e:
             # If queue is closed
             if not self.terminated():
                 LOGGER.error("Queue is closed, and executor not in final state")
@@ -387,6 +387,3 @@ def _killer_thread(
 
         if exception is not None:
             raise exception
-
-        if executor.terminated():
-            return