Update linting for main code

novelwriter/core/document.py

@@ -20,7 +20,7 @@ General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.
-"""
+"""  # noqa
 from __future__ import annotations
 
 import hashlib
@@ -42,7 +42,7 @@ logger = logging.getLogger(__name__)
 
 
 class NWDocument:
-    """Core: Document Class
+    """Core: Document Class.
 
     A Class wrapping a single novelWriter document file. It represents
     a project item of nwItemType FILE. The file is not guaranteed to
@@ -68,8 +68,6 @@ class NWDocument:
         if self._handle is not None:
             self._item = self._project.tree[tHandle]
 
-        return
-
     def __repr__(self) -> str:
         return f"<NWDocument handle={self._handle}>"
 
@@ -357,5 +355,3 @@ class NWDocument:
 
         else:
             logger.debug("Unknown meta data: '%s'", metaLine.strip())
-
-        return