Fix time_in_draft iterator exhaustion bug

Co-authored-by: zkoppert <[email protected]>

Author: Copilot

test_time_in_draft.py

@@ -204,6 +204,40 @@ def test_time_in_draft_with_attribute_error_scenario(self):
             expected = timedelta(days=3)
             self.assertEqual(result, expected, "The time in draft should be 3 days.")
 
+    def test_time_in_draft_with_iterator_events(self):
+        """
+        Test measure_time_in_draft with events() returning an iterator instead of a list.
+        This test ensures the function works correctly when events() returns an iterator
+        (as it does in the real GitHub API), which can only be consumed once.
+        """
+        # Set up issue created_at time
+        self.issue.issue.created_at = "2021-01-01T00:00:00Z"
+
+        # Create an iterator of events (simulating real GitHub API behavior)
+        def events_iterator():
+            return iter(
+                [
+                    MagicMock(
+                        event="converted_to_draft",
+                        created_at=datetime(2021, 1, 1, tzinfo=pytz.utc),
+                    ),
+                    MagicMock(
+                        event="ready_for_review",
+                        created_at=datetime(2021, 1, 3, tzinfo=pytz.utc),
+                    ),
+                ]
+            )
+
+        self.issue.issue.events = events_iterator
+
+        result = measure_time_in_draft(self.issue)
+        expected = timedelta(days=2)
+        self.assertEqual(
+            result,
+            expected,
+            "The time in draft should be 2 days when events() returns an iterator.",
+        )
+
 
 class TestGetStatsTimeInDraft(unittest.TestCase):
     """

time_in_draft.py

@@ -24,7 +24,7 @@ def measure_time_in_draft(
     returns:
         Union[timedelta, None]: Total time the pull request has spent in draft state.
     """
-    events = issue.issue.events()
+    events = list(issue.issue.events())
     draft_start = None
     total_draft_time = timedelta(0)