address review comments

1 files changed, 1 insertions, 1 deletions

diff --git a/src/cryptography/x509.py b/src/cryptography/x509.py
index 3f306e3a..713e92a2 100644
--- a/src/cryptography/x509.py
+++ b/src/cryptography/x509.py
@@ -41,10 +41,10 @@ def _key_identifier_from_public_key(public_key):
     spki, remaining = decoder.decode(
         serialized, asn1Spec=_SubjectPublicKeyInfo()
     )
+    assert not remaining
     # the univ.BitString object is a tuple of bits. We need bytes and
     # pyasn1 really doesn't want to give them to us. To get it we'll
     # build an integer and convert that to bytes.
-    assert not remaining
     bits = 0
     for bit in spki.getComponentByName("subjectPublicKey"):
         bits = bits << 1 | bit