Add missing header to fix gtbook.

dellaert · dellaert · commit b3e87360d50f · 2023-01-28T16:39:57.000-08:00
diff --git a/python/gtsam/preamble/inference.h b/python/gtsam/preamble/inference.h
@@ -10,3 +10,5 @@
  * Without this they will be automatically converted to a Python object, and all
  * mutations on Python side will not be reflected on C++.
  */
+
+#include <pybind11/stl.h>
