Fixes CI

Author: sobolevn

docs/conftest.py

@@ -23,6 +23,8 @@ def pytest_collection_modifyitems(items) -> None:  # noqa: WPS110
     """Conditionally removes some collected docstests."""
     to_ignore_items = []
     for test_item in items:
+        if not getattr(test_item, 'dtest', None):
+            continue
         if Path(test_item.dtest.filename) in PATHS_TO_IGNORE_NOW:
             to_ignore_items.append(test_item)