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-rw-r--r--src/cryptography/hazmat/primitives/kdf/pbkdf2.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/kdf/pbkdf2.py b/src/cryptography/hazmat/primitives/kdf/pbkdf2.py
index fbe8964d..a47b7bbc 100644
--- a/src/cryptography/hazmat/primitives/kdf/pbkdf2.py
+++ b/src/cryptography/hazmat/primitives/kdf/pbkdf2.py
@@ -41,7 +41,7 @@ class PBKDF2HMAC(object):
raise AlreadyFinalized("PBKDF2 instances can only be used once.")
self._used = True
- utils._check_bytes("key_material", key_material)
+ utils._check_byteslike("key_material", key_material)
return self._backend.derive_pbkdf2_hmac(
self._algorithm,
self._length,