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-rw-r--r--src/cryptography/utils.py1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/cryptography/utils.py b/src/cryptography/utils.py
index c91bcb2f..dac4046d 100644
--- a/src/cryptography/utils.py
+++ b/src/cryptography/utils.py
@@ -63,6 +63,7 @@ if hasattr(inspect, "signature"):
else:
signature = inspect.getargspec
+
def verify_interface(iface, klass):
for method in iface.__abstractmethods__:
if not hasattr(klass, method):