fix boost bind warning from boost python

ref https://github.com/stack-of-tasks/eigenpy/pull/226

python/ndcurves/namespace.h

@@ -5,7 +5,12 @@
 #ifndef __python_namespace_h__
 #define __python_namespace_h__
 
+// Silence a warning about a deprecated use of boost bind by boost python
+// at least fo boost 1.73 to 1.75
+// ref. https://github.com/stack-of-tasks/tsid/issues/128
+#define BOOST_BIND_GLOBAL_PLACEHOLDERS
 #include <boost/python.hpp>
+#undef BOOST_BIND_GLOBAL_PLACEHOLDERS
 
 namespace ndcurves {
 namespace python {