refactor the semaphore when dumping listings

crawler/rec/query.py

@@ -121,7 +121,6 @@ async def listing_query(
     property_type: list[PropertyType] = [],
     page_size: int = 25,
     furnish_types: list[FurnishType] = [],
-    semaphore: asyncio.Semaphore | None = None,
 ) -> dict[str, Any]:
     params: dict[str, str] = {
         "locationIdentifier": location_id,
@@ -164,16 +163,12 @@ async def listing_query(
         "Connection": "keep-alive",
     }
 
-    if semaphore is None:
-        semaphore = asyncio.Semaphore(1)
-
-    async with semaphore:
-        async with aiohttp.ClientSession(trust_env=True) as session:
-            async with session.get(
-                "https://api.rightmove.co.uk/api/property-listing",
-                params=params,
-                headers=headers,
-            ) as response:
-                if response.status != 200:
-                    raise Exception(f"Failed due to: {await response.text()}")
-                return await response.json()
+    async with aiohttp.ClientSession(trust_env=True) as session:
+        async with session.get(
+            "https://api.rightmove.co.uk/api/property-listing",
+            params=params,
+            headers=headers,
+        ) as response:
+            if response.status != 200:
+                raise Exception(f"Failed due to: {await response.text()}")
+            return await response.json()