fix: type error in statistics persist state (#206)

### Description

- fix: type error in statistics persist state

### Related issues

- Closes: #194

### Testing

- N/A

### Checklist

- [x] Changes are described in the `CHANGELOG.md`
- [x] CI passed

Author: vdusek

CHANGELOG.md

@@ -15,6 +15,10 @@
 - Add storage-related helpers `get_data`, `push_data` and `export_to` to `BasicCrawler` and `BasicContext`
 - Add `PlaywrightCrawler`'s enqueue links helper
 
+### Fixes
+
+- Fix type error in persist state of statistics
+
 ## [0.0.4](../../releases/tag/v0.0.4) - 2024-05-30
 
 - Another internal release, adding statistics capturing, proxy configuration and

src/crawlee/statistics/statistics.py

@@ -10,7 +10,7 @@
 
 from crawlee._utils.recurring_task import RecurringTask
 from crawlee.events import LocalEventManager
-from crawlee.events.types import Event
+from crawlee.events.types import Event, EventPersistStateData
 from crawlee.statistics import FinalStatistics, StatisticsPersistedState, StatisticsState
 from crawlee.statistics.error_tracker import ErrorTracker
 from crawlee.storages import KeyValueStore
@@ -126,7 +126,7 @@ async def __aexit__(
         self.state.crawler_finished_at = datetime.now(timezone.utc)
         self._events.off(event=Event.PERSIST_STATE, listener=self._persist_state)
         await self._periodic_logger.stop()
-        await self._persist_state()
+        await self._persist_state(event_data=EventPersistStateData(is_migrating=False))
 
     def register_status_code(self, code: int) -> None:
         """Increment the number of times a status code has been received."""
@@ -233,7 +233,9 @@ async def _maybe_load_statistics(self) -> None:
         elif saved_state.crawler_last_started_at:
             self._instance_start = saved_state.crawler_last_started_at
 
-    async def _persist_state(self) -> None:
+    async def _persist_state(self, event_data: EventPersistStateData) -> None:
+        logger.debug(f'Persisting state of the Statistics (event_data={event_data}).')
+
         if not self._persistence_enabled:
             return
 

src/crawlee/storages/request_queue.py

@@ -52,7 +52,9 @@ class RequestQueue(BaseStorage, RequestProvider):
         rq = await RequestQueue.open(id='my_rq_id')
     """
 
-    _API_PROCESSED_REQUESTS_DELAY = timedelta(seconds=10)
+    # TODO: set this back to 10 seconds once the following issue is resolved:
+    # https://github.com/apify/crawlee-python/issues/203
+    _API_PROCESSED_REQUESTS_DELAY = timedelta(seconds=1)
     """Delay threshold to assume consistency of queue head operations after queue modifications."""
 
     _MAX_CACHED_REQUESTS = 1_000_000