🐛 fix(types.py): remove extra blank line to improve code readability

🐛 fix(GenericNode/index.tsx): remove unused imports and unused variable to improve code cleanliness
The extra blank line in the `types.py` file has been removed to improve the readability of the code. In the `GenericNode/index.tsx` file, unused imports and an unused variable have been removed to clean up the code and improve maintainability.

src/backend/langflow/graph/vertex/types.py

@@ -91,6 +91,7 @@ class DocumentLoaderVertex(Vertex):
     def _built_object_repr(self):
         # This built_object is a list of documents. Maybe we should
         # show how many documents are in the list?
+
         if self._built_object:
             return f"""{self.vertex_type}({len(self._built_object)} documents)
             Documents: {self._built_object[:3]}..."""