Change Box plugin to mimic a sklearn classifier

example-plugins/basic_box_plugin.py

@@ -18,7 +18,7 @@ class BasicBox(SentimentBox):
         'default': 'marl:Neutral'
     }
 
-    def box(self, input, **kwargs):
+    def predict(self, input):
         output = basic.get_polarity(input)
         return self.mappings.get(output, self.mappings['default'])
 

example-plugins/basic_plugin.py

@@ -18,7 +18,7 @@ class Basic(MappingMixin, SentimentBox):
         'default': 'marl:Neutral'
     }
 
-    def box(self, input, **kwargs):
+    def predict(self, input):
         return basic.get_polarity(input)
 
     test_cases = [{

example-plugins/sklearn/pipeline_plugin.py

@@ -18,7 +18,7 @@ class PipelineSentiment(MappingMixin, SentimentBox):
         -1: 'marl:Negative'
     }
 
-    def box(self, input, *args, **kwargs):
+    def predict(self, input):
         return pipeline.predict([input, ])[0]
 
     test_cases = [