Use latest pymongo in cache CI and update count to count_documents (#631

)

Co-authored-by: Rhys Campbell <rhyscampbell@bluewin.ch>

.github/workflows/mongodb-cache.yml

@@ -95,7 +95,7 @@ jobs:
         with:
           timeout_minutes: 3
           max_attempts: 3
-          command: pip install pymongo==3.12.2
+          command: pip install pymongo
 
       - name: Run ansible to generate the mongodb cache
         run: ansible localhost -m setup

plugins/cache/mongodb.py

@@ -182,7 +182,7 @@ def keys(self):
 
     def contains(self, key):
         with self._collection() as collection:
-            return bool(collection.count({'_id': self._make_key(key)}))
+            return bool(collection.count_documents({'_id': self._make_key(key)}))
 
     def delete(self, key):
         del self._cache[key]