Do not set daemon via kwargs

Author: rhpvorderman

src/zlib_ng/gzip_ng_threaded.py

@@ -99,7 +99,8 @@ def __init__(self, filename, queue_size=2, block_size=1024 * 1024):
         self.buffer = io.BytesIO()
         self.block_size = block_size
         # Using a daemon thread prevents programs freezing on error.
-        self.worker = threading.Thread(target=self._decompress, daemon=True)
+        self.worker = threading.Thread(target=self._decompress)
+        self.worker.daemon = True
         self._closed = False
         self.running = True
         self.worker.start()
@@ -233,17 +234,19 @@ def __init__(self,
             self.output_queues: List[queue.Queue[Tuple[bytes, int, int]]] = [
                 queue.Queue(queue_size) for _ in range(threads)]
             # Using daemon threads prevents a program freezing on error.
-            self.output_worker = threading.Thread(target=self._write, daemon=True)
-            self.compression_workers = [
-                threading.Thread(target=self._compress, args=(i,), daemon=True)
-                for i in range(threads)
-            ]
+            self.output_worker = threading.Thread(target=self._write)
+            self.output_worker.daemon = True
+            self.compression_workers: List[threading.Thread] = []
+            for i in range(threads):
+                worker = threading.Thread(target=self._compress, args=(i,))
+                worker.daemon = True
+
         elif threads == 1:
             self.input_queues = [queue.Queue(queue_size)]
             self.output_queues = []
             self.compression_workers = []
-            self.output_worker = threading.Thread(
-                target=self._compress_and_write, daemon=True)
+            self.output_worker = threading.Thread(target=self._compress_and_write)
+            self.output_worker.daemon = True
         else:
             raise ValueError(f"threads should be at least 1, got {threads}")
         self.threads = threads