Revert "make async cursor close() sync"

This reverts commit 5f5db11.

Author: vgvoleg

tests/test_cursors.py

@@ -213,7 +213,7 @@ async def async_cursor(
             request_settings=ydb.BaseRequestSettings(),
         )
         yield cursor
-        cursor.close()
+        await greenlet_spawn(cursor.close)
 
     @pytest.mark.asyncio
     async def test_cursor_fetch_one(self, async_cursor: AsyncCursor) -> None:

ydb_dbapi/cursors.py

@@ -350,7 +350,7 @@ def close(self) -> None:
         if self._state == CursorStatus.closed:
             return
 
-        # self._scroll_stream() # No need to scroll since all data is already fetched
+        self._scroll_stream()
         self._state = CursorStatus.closed
 
     def __enter__(self) -> Self:
@@ -527,11 +527,11 @@ async def _scroll_stream(self, replace_current: bool = True) -> None:
 
         self._state = CursorStatus.finished
 
-    def close(self) -> None:
+    async def close(self) -> None:
         if self._state == CursorStatus.closed:
             return
 
-        # await self._scroll_stream() # No need to scroll since all data is already fetched
+        await self._scroll_stream()
         self._state = CursorStatus.closed
 
     async def __aenter__(self) -> Self:
@@ -543,4 +543,4 @@ async def __aexit__(
         exc: BaseException | None,
         tb: object,
     ) -> None:
-        self.close()
+        await self.close()