python3Packages.prometheus-flask-exporter: skip test that breaks under prometheus-client 0.24 (#518679)

pkgs/development/python-modules/prometheus-flask-exporter/default.nix

@@ -27,6 +27,8 @@ buildPythonPackage rec {
     prometheus-client
   ];
 
+  __darwinAllowLocalNetworking = true;
+
   nativeCheckInputs = [ pytestCheckHook ];
 
   enabledTestPaths = [ "tests/" ];
@@ -34,6 +36,8 @@ buildPythonPackage rec {
   disabledTests = [
     # AssertionError
     "test_group_by_lambda_is_not_supported"
+    # prometheus-client 0.24 moved CONTENT_TYPE_LATEST to version=1.0.0 while choose_encoder still defaults to 0.0.4
+    "test_default_format"
   ];
 
   meta = {