Mypy fixes

Author: jsa34

src/pytest_bdd/scenario.py

@@ -32,6 +32,7 @@
 from .utils import CONFIG_STACK, get_args, get_caller_module_locals, get_caller_module_path
 
 if TYPE_CHECKING:
+    from _pytest.mark.structures import ParameterSet
     from _pytest.nodes import Node
 
     from .parser import Feature, Scenario, ScenarioTemplate, Step
@@ -302,12 +303,12 @@ def scenario_wrapper(request: FixtureRequest, _pytest_bdd_example: dict[str, str
 
 def collect_example_parametrizations(
     templated_scenario: ScenarioTemplate,
-) -> list[pytest.ParameterSet] | None:
+) -> list[ParameterSet] | None:
     parametrizations = []
     has_multiple_examples = len(templated_scenario.examples) > 1
 
     for example_id, examples in enumerate(templated_scenario.examples):
-        _tags = examples.tags or []
+        _tags: set = examples.tags or set()
         example_marks = []
         if _tags:
             with warns(PytestUnknownMarkWarning, match=r"Unknown pytest\.mark\.\w+"):