Let __init__ of your model get access to all given properties

In some scenario your model might define some default values
 based on properties given at creation time.
This is only possible if __init__ receives all properties at once.

flask_potion/contrib/alchemy/manager.py

@@ -232,10 +232,7 @@ def _query_get_first(self, query):
 
     def create(self, properties, commit=True):
         # noinspection properties
-        item = self.model()
-
-        for key, value in properties.items():
-            setattr(item, key, value)
+        item = self.model(**properties)
 
         before_create.send(self.resource, item=item)