PyIter.MoveNext: propagate Python exception if any

lostmsu · lostmsu · commit fa4cebda99e1 · 2020-10-17T12:57:49.000-07:00
diff --git a/src/runtime/pyiter.cs b/src/runtime/pyiter.cs
@@ -37,6 +37,9 @@ public bool MoveNext()
             using var next = Runtime.PyIter_Next(Reference);
             if (next.IsNull())
             {
+                if (Exceptions.ErrorOccurred())
+                    throw PythonException.ThrowLastAsClrException();
+
                 // dispose of the previous object, if there was one
                 _current = null;
                 return false;
