Fixed hasattr issue

jupyter · Apr 2, 2019 · 1913b8b · 1913b8b
1 parent 5a192dd
commit 1913b8b
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/notebook/notebookapp.py b/notebook/notebookapp.py
@@ -1421,10 +1421,11 @@ def init_webapp(self):
             # SSL may be missing, so only import it if it's to be used
             import ssl
             # Disable SSLv3 by default, since its use is discouraged.
-            ssl_options.setdefault(
-                'ssl_version', 
-                ssl.PROTOCOL_TLS if hasattr(ssl, PROTOCOL_TLS) else ssl.PROTOCOL_SSLv23
+            _ssl_protocol = (
+                ssl.PROTOCOL_TLS if hasattr(ssl, 'PROTOCOL_TLS') 
+                else ssl.PROTOCOL_SSLv23
             )
+            ssl_options.setdefault('ssl_version', _ssl_protocol)
             if ssl_options.get('ca_certs', False):
                 ssl_options.setdefault('cert_reqs', ssl.CERT_REQUIRED)