python3Packages.paramiko: disable tests

Deprecation warnings kill the test suite
https://github.com/pyinvoke/invoke/issues/829

pkgs/development/python-modules/paramiko/default.nix

@@ -22,6 +22,9 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ bcrypt cryptography pynacl pyasn1 ];
 
+  # with python 3.9.6+, the deprecation warnings will fail the test suite
+  # see: https://github.com/pyinvoke/invoke/issues/829
+  doCheck = false;
   checkInputs = [ invoke pytestCheckHook pytest-relaxed mock ];
 
   disabledTestPaths = [