fix: round the displayed problem score to two decimal places

xblocks_contrib/problem/capa_block.py

@@ -1025,6 +1025,10 @@ def get_display_progress(self):
         progress = self.get_progress()
         score, total = progress.frac() if progress else (0, 0)
 
+        # When the weight does not divide evenly between the questions, the score is a repeating
+        # fraction (e.g. 0.3333333333333333). This rounds it the same way `Progress.__str__` does.
+        score = round(score, 2)
+
         # Withhold the score if hiding correctness
         if not self.correctness_available():
             score = None

xblocks_contrib/problem/tests/test_capa_block.py

@@ -2833,6 +2833,24 @@ def test_get_display_progress_show_correctness(self, show_correctness, is_correc
         assert score == expected_score
         assert total == 1
 
+    @ddt.data(
+        (1, 3, 0.33),
+        (2, 3, 0.67),
+        (1, 2, 0.5),
+        (3, 3, 1),
+    )
+    @ddt.unpack
+    def test_get_display_progress_rounds_the_score(self, raw_earned, raw_possible, expected_score):
+        """
+        Check that the displayed score is rounded to at most two decimal places.
+        """
+        block = CapaFactory.create(attempts=1)
+        block.weight = 1
+        block.score = Score(raw_earned=raw_earned, raw_possible=raw_possible)
+        score, total = block.get_display_progress()
+        assert score == expected_score
+        assert total == 1
+
     def test_get_html(self):
         """
         Check that get_html() calls get_progress() with no arguments.