bpo-40286: Use random.randbytes() in tests (GH-19575)
diff --git a/Lib/test/test_bz2.py b/Lib/test/test_bz2.py
index 030d564..78b95d8 100644
--- a/Lib/test/test_bz2.py
+++ b/Lib/test/test_bz2.py
@@ -710,7 +710,7 @@
def testDecompress4G(self, size):
# "Test BZ2Decompressor.decompress() with >4GiB input"
blocksize = 10 * 1024 * 1024
- block = random.getrandbits(blocksize * 8).to_bytes(blocksize, 'little')
+ block = random.randbytes(blocksize)
try:
data = block * (size // blocksize + 1)
compressed = bz2.compress(data)