Change methods of base model class

db/mongo.py

@@ -14,8 +14,14 @@ class Model(ABC):
     def store(self):
         pass
 
+    @staticmethod
+    @abstractmethod
+    def get_collection():
+        pass
+
+    @staticmethod
     @abstractmethod
-    def get_collection(self):
+    def dict_to_object(dictionary):
         pass
 
     @abstractmethod