Fix algorithm configs for algorithms needing utility_function (#387)

Author: ketphan02

api/ai/interfaces/algorithm_config.py

@@ -93,19 +93,31 @@ def validate(self):
 class MultipleRoundRobinAlgorithmConfig(AlgorithmConfig):
     utility_function: Callable[[Student, TeamShell], float]
 
+    def __init__(self, utility_function: Callable[[Student, TeamShell], float]):
+        super().__init__()
+        self.utility_function = utility_function
+
     def validate(self):
         super().validate()
 
 
 class DoubleRoundRobinAlgorithmConfig(AlgorithmConfig):
     utility_function: Callable[[Student, TeamShell], float]
 
+    def __init__(self, utility_function: Callable[[Student, TeamShell], float]):
+        super().__init__()
+        self.utility_function = utility_function
+
     def validate(self):
         super().validate()
 
 
 class GeneralizedEnvyGraphAlgorithmConfig(AlgorithmConfig):
     utility_function: Callable[[Student, TeamShell], float]
 
+    def __init__(self, utility_function: Callable[[Student, TeamShell], float]):
+        super().__init__()
+        self.utility_function = utility_function
+
     def validate(self):
         super().validate()