run black to please ci

mongoengine/fields.py

@@ -774,7 +774,7 @@ class EmbeddedDocumentField(BaseField):
     def prepare_query_value(self, op, value):
         if value is not None and not isinstance(value, self.document_type):
             # Short circuit for special operators, returning them as is
-            if isinstance(value, dict) and all(k.startswith('$') for k in value.keys()):
+            if isinstance(value, dict) and all(k.startswith("$") for k in value.keys()):
                 return value
             try:
                 value = self.document_type._from_son(value)

tests/queryset/test_transform.py

@@ -352,24 +352,19 @@ class TestTransform(unittest.TestCase):
 
         class Drink(EmbeddedDocument):
             id = StringField()
-            meta = {
-                'strict': False
-            }
+            meta = {"strict": False}
 
         class Shop(Document):
             drinks = EmbeddedDocumentListField(Drink)
 
         Shop.drop_collection()
-        drinks = [Drink(id='drink_1'), Drink(id='drink_2')]
+        drinks = [Drink(id="drink_1"), Drink(id="drink_2")]
         Shop.objects.create(drinks=drinks)
         q_obj = transform.query(
-            Shop,
-            drinks__all=[{'$elemMatch': {'_id': x.id}} for x in drinks]
+            Shop, drinks__all=[{"$elemMatch": {"_id": x.id}} for x in drinks]
         )
         assert q_obj == {
-            'drinks': {
-                '$all': [{'$elemMatch': {'_id': x.id}} for x in drinks]
-            }
+            "drinks": {"$all": [{"$elemMatch": {"_id": x.id}} for x in drinks]}
         }
 
         Shop.drop_collection()