The include was missing before
9b7e24a2cb3, but starting with that commit the
missing include causes cpluspluscheck to fail because the use of
PyMODINIT_FUNC isn't incidentally protected by an ifdef anymore.
Discussion: https://postgr.es/m/
20220308045916[email protected]
#ifndef PLPY_PLPYMODULE_H
#define PLPY_PLPYMODULE_H
+#include "plpython.h"
#include "utils/hsearch.h"
/* A hash table mapping sqlstates to exceptions, for speedy lookup */