From b2ab3c607b1bd8e47ef717b81fe220db49962ac7 Mon Sep 17 00:00:00 2001
From: Alex Gaynor <alex.gaynor@gmail.com>
Date: Sat, 9 Feb 2019 17:04:10 +0000
Subject: sigh

---
 paramiko/kex_curve25519.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paramiko/kex_curve25519.py b/paramiko/kex_curve25519.py
index b092afae..4b9f6b00 100644
--- a/paramiko/kex_curve25519.py
+++ b/paramiko/kex_curve25519.py
@@ -20,7 +20,8 @@ class KexCurve25519(object):
         self.transport = transport
         self.key = None
 
-    def is_available(self):
+    @classmethod
+    def is_available(cls):
         try:
             X25519PrivateKey.generate()
         except UnsupportedAlgorithm:
-- 
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