Merge pull request #523 from nextstrain/cryptography-warning

Suppress warning from cryptography about deprecated Python 3.8 support

Author: joverlee521

CHANGES.md

@@ -27,6 +27,8 @@ development source code and as such may not be routinely kept up to date.
 * Updated the dependency list to explicitly include `boto3`, used for various
   commands.
   ([#499](https://github.com/nextstrain/cli/pull/499))
+* Suppress warning from cryptography about deprecated Python 3.8 support
+  ([#523](https://github.com/nextstrain/cli/pull/523))
 
 # 10.5.0 (25 March 2026)
 

doc/changes.md

@@ -32,6 +32,8 @@ development source code and as such may not be routinely kept up to date.
 * Updated the dependency list to explicitly include `boto3`, used for various
   commands.
   ([#499](https://github.com/nextstrain/cli/pull/499))
+* Suppress warning from cryptography about deprecated Python 3.8 support
+  ([#523](https://github.com/nextstrain/cli/pull/523))
 
 (v10-5-0)=
 ## 10.5.0 (25 March 2026)

nextstrain/cli/authn/session.py

@@ -2,8 +2,18 @@
 Authentication sessions.
 """
 import boto3
-import jwt
-import jwt.exceptions
+import warnings
+
+# Ignore noisy warning from cryptography 47.0.0 about deprecated support for Python 3.8
+with warnings.catch_warnings():
+    warnings.filterwarnings(
+        "ignore",
+        message = "Python 3\\.8 is no longer supported by the Python core team and support for it is deprecated",
+        category = UserWarning
+    )
+    import jwt
+    import jwt.exceptions
+
 import secrets
 
 from base64 import b64encode