Fix: Make sure plot can retrieve data from scale questions.

problem_builder/plot.py

@@ -175,10 +175,17 @@ class PlotBlock(StudioEditableXBlockMixin, StudioContainerWithNestedXBlocksMixin
             claim, q1, q2 = line.split(', ')
             r1, r2 = None, None
             for question_id, question in zip(question_ids, questions):
-                if question.name == q1:
-                    r1 = response_function(question, question_id)
-                if question.name == q2:
-                    r2 = response_function(question, question_id)
+                question_type = question.scope_ids.block_type
+                if question_type == 'pb-slider':
+                    if question.url_name == q1:
+                        r1 = response_function(question, question_id)
+                    if question.url_name == q2:
+                        r2 = response_function(question, question_id)
+                else:
+                    if question.name == q1:
+                        r1 = response_function(question, question_id)
+                    if question.name == q2:
+                        r2 = response_function(question, question_id)
                 if r1 is not None and r2 is not None:
                     break
             claims.append([claim, r1, r2])

problem_builder/slider.py

@@ -145,11 +145,17 @@ class SliderBlock(
         self.student_value = value
         if sub_api:
             # Also send to the submissions API:
-            sub_api.create_submission(self.student_item_key, {'value': value})
+            sub_api.create_submission(self.student_item_key, value)
         result = self.get_last_result()
         log.debug(u'Slider submission result: %s', result)
         return result
 
+    def get_submission_display(self, submission):
+        """
+        Get the human-readable version of a submission value
+        """
+        return submission * 100
+
     def validate_field_data(self, validation, data):
         """
         Validate this block's field data.