python3Packages.Fabric: disable tests

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

@@ -19,9 +19,13 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ invoke paramiko cryptography ];
   checkInputs = [ pytest mock pytest-relaxed ];
 
+  # requires pytest_relaxed, which doesnt have official support for pytest>=5
+  # https://github.com/bitprophet/pytest-relaxed/issues/12
+  doCheck = false;
   checkPhase = ''
     pytest tests
   '';
+  pythonImportsCheck = [ "fabric" ];
 
   meta = with lib; {
     description = "Pythonic remote execution";