Debug Windows assertion failure

pydsdl/_namespace.py

@@ -604,29 +604,29 @@ def _unittest_common_usage_errors() -> None:
 
     with tempfile.TemporaryDirectory() as directory:
         di = Path(directory)
-        root_ns_dir = di / "foo"
+        root_ns_dir = di.joinpath("foo")
         root_ns_dir.mkdir()
 
         reports = []  # type: List[str]
 
         _ensure_no_common_usage_errors(root_ns_dir, [], reports.append)
         assert not reports
-        _ensure_no_common_usage_errors(root_ns_dir, [di / "baz"], reports.append)
+        _ensure_no_common_usage_errors(root_ns_dir, [di.joinpath("baz")], reports.append)
         assert not reports
 
-        dir_dsdl = root_ns_dir / "dsdl"
+        dir_dsdl = root_ns_dir.joinpath("dsdl")
         dir_dsdl.mkdir()
-        _ensure_no_common_usage_errors(dir_dsdl, [di / "baz"], reports.append)
+        _ensure_no_common_usage_errors(dir_dsdl, [di.joinpath("baz")], reports.append)
         assert not reports  # Because empty.
 
-        dir_dsdl_vscode = dir_dsdl / ".vscode"
+        dir_dsdl_vscode = dir_dsdl.joinpath(".vscode")
         dir_dsdl_vscode.mkdir()
-        _ensure_no_common_usage_errors(dir_dsdl, [di / "baz"], reports.append)
+        _ensure_no_common_usage_errors(dir_dsdl, [di.joinpath("baz")], reports.append)
         assert not reports  # Because the name is not valid.
 
-        dir_dsdl_uavcan = dir_dsdl / "uavcan"
+        dir_dsdl_uavcan = dir_dsdl.joinpath("uavcan")
         dir_dsdl_uavcan.mkdir()
-        _ensure_no_common_usage_errors(dir_dsdl, [di / "baz"], reports.append)
+        _ensure_no_common_usage_errors(dir_dsdl, [di.joinpath("baz")], reports.append)
         (rep,) = reports
         reports.clear()
         assert str(dir_dsdl_uavcan).lower() in rep.lower()