Make the sqlite tests pass.
diff --git a/Modules/_sqlite/row.c b/Modules/_sqlite/row.c
index 6bd1887..b2f105a 100644
--- a/Modules/_sqlite/row.c
+++ b/Modules/_sqlite/row.c
@@ -86,8 +86,8 @@
         item = PyTuple_GetItem(self->data, _idx);
         Py_XINCREF(item);
         return item;
-    } else if (PyString_Check(idx)) {
-        key = PyString_AsString(idx);
+    } else if (PyUnicode_Check(idx)) {
+        key = PyUnicode_AsString(idx);
 
         nitems = PyTuple_Size(self->description);