nit

Author: corona10

Modules/_weakref.c

@@ -110,7 +110,6 @@ _weakref_getweakrefs(PyObject *module, PyObject *object)
         PyList_SET_ITEM(result, i, Py_NewRef(current));
         current = current->wr_next;
     }
-
     Py_END_CRITICAL_SECTION();
     return result;
 }