- changelog + test for pullreq github 58

2 files changed, 16 insertions, 0 deletions

diff --git a/doc/build/changelog/changelog_08.rst b/doc/build/changelog/changelog_08.rst
index 8dd779c05..e4e5c11ab 100644
--- a/doc/build/changelog/changelog_08.rst
+++ b/doc/build/changelog/changelog_08.rst
@@ -12,6 +12,15 @@
     :version: 0.8.5
 
     .. change::
+        :tags: bug, orm
+        :versions: 0.9.2
+        :pullreq: github:58
+
+        Fixed error message when an iterator object is passed to
+        :func:`.class_mapper` or similar, where the error would fail to
+        render on string formatting.  Pullreq courtesy Kyle Stark.
+
+    .. change::
         :tags: bug, firebird
         :versions: 0.9.0
         :tickets: 2897
diff --git a/test/orm/test_mapper.py b/test/orm/test_mapper.py
index 4713bbc64..32126e0dd 100644
--- a/test/orm/test_mapper.py
+++ b/test/orm/test_mapper.py
@@ -1583,6 +1583,13 @@ class MapperTest(_fixtures.FixtureTest, AssertsCompiledSQL):
             class_mapper, 5
         )
 
+    def test_unmapped_not_type_error_iter_ok(self):
+        assert_raises_message(
+            sa.exc.ArgumentError,
+            r"Class object expected, got '\(5, 6\)'.",
+            class_mapper, (5, 6)
+        )
+
     def test_unmapped_subclass_error_postmap(self):
         users = self.tables.users