[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

src/domain/backend.py

@@ -141,7 +141,7 @@ def save_convert_token(self, language: str, token: str) -> None:
     @Slot(str, result=str)
     def get_convert_token(self, language: str) -> str | None:
         tokens: dict[str, str] = self.token_manager.read_tokens()
-        return tokens.get(language, None)
+        return tokens.get(language)
 
     @Slot(result=list)
     def get_languages(self) -> list[dict[str, str]]:

src/domain/clipboardproxy.py

@@ -27,6 +27,7 @@ def getClipboardText(self) -> str:
         Returns
         -------
             str: _description_
+
         """
         return str(self._clipboard.text())