bug fix. need super constructor calls everywhere due to MRO

Author: jessehartloff

api/database/db_interface.py

@@ -10,6 +10,9 @@ class DBInterface(IQueue, IRatings, IAccounts, IRoster, ABC):
 
     # All database implements must extend this class
 
+    def __init__(self):
+        super().__init__()
+
     @abstractmethod
     def connect(self):
         pass

api/database/idb_accounts.py

@@ -1,7 +1,10 @@
 from abc import ABC, abstractmethod
 
 
-class IAccounts:
+class IAccounts(ABC):
+
+    def __init__(self):
+        super().__init__()
 
     @abstractmethod
     def create_account(self, ubit, pn):

api/database/idb_queue.py

@@ -3,6 +3,9 @@
 
 class IQueue(ABC):
 
+    def __init__(self):
+        super().__init__()
+
     @abstractmethod
     def enqueue_student(self, student):
         raise NotImplementedError()

api/database/idb_ratings.py

@@ -1,7 +1,10 @@
 from abc import ABC, abstractmethod
 
 
-class IRatings:
+class IRatings(ABC):
+
+    def __init__(self):
+        super().__init__()
 
     @abstractmethod
     def rate_student(self, student, rating, feedback):

api/database/idb_roster.py

@@ -1,7 +1,10 @@
 from abc import ABC, abstractmethod
 
 
-class IRoster:
+class IRoster(ABC):
+
+    def __init__(self):
+        super().__init__()
 
     @abstractmethod
     def add_to_roster(self, user_id, role):

api/database/testing_db/testing_db.py

@@ -7,6 +7,9 @@
 
 class TestingDB(DBInterface, TestingDBQueue, TestingDBRatings, TestingDBAccounts):
 
+    def __init__(self):
+        super().__init__()
+
     def connect(self):
         pass
 

api/database/testing_db/testing_db_queue.py

@@ -4,6 +4,7 @@
 class TestingDBQueue(IQueue):
 
     def __init__(self):
+        super().__init__()
         self.queue = []
 
     def enqueue_student(self, student):

api/database/testing_db/testing_db_ratings.py

@@ -3,6 +3,9 @@
 
 class TestingDBRatings(IRatings):
 
+    def __init__(self):
+        super().__init__()
+
     def rate_student(self, student, rating, feedback):
         pass
         # do database stuff