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-rw-r--r--src/cryptography/hazmat/primitives/kdf/kbkdf.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/kdf/kbkdf.py b/src/cryptography/hazmat/primitives/kdf/kbkdf.py
index 74fe9e29..56783a85 100644
--- a/src/cryptography/hazmat/primitives/kdf/kbkdf.py
+++ b/src/cryptography/hazmat/primitives/kdf/kbkdf.py
@@ -100,7 +100,7 @@ class KBKDFHMAC(object):
if self._used:
raise AlreadyFinalized
- utils._check_bytes("key_material", key_material)
+ utils._check_byteslike("key_material", key_material)
self._used = True
# inverse floor division (equivalent to ceiling)