Removed duplicated constants from c module

bob/io/matlab/main.cpp

@@ -173,9 +173,6 @@ static PyObject* create_module (void) {
   if (!m) return 0;
   auto m_ = make_safe(m);
 
-  /* register some constants */
-  if (PyModule_AddStringConstant(m, "__version__", BOB_EXT_MODULE_VERSION) < 0) return 0;
-
   /* imports dependencies */
   if (import_bob_blitz() < 0) {
     PyErr_Print();

bob/io/matlab/version.cpp

@@ -167,8 +167,7 @@ static PyObject* create_module (void) {
   auto m_ = make_safe(m); ///< protects against early returns
 
   /* register version numbers and constants */
-  if (PyModule_AddStringConstant(m, "module", BOB_EXT_MODULE_VERSION) < 0)
-    return 0;
+  if (PyModule_AddStringConstant(m, "module", BOB_EXT_MODULE_VERSION) < 0) return 0;
   if (PyModule_AddObject(m, "externals", build_version_dictionary()) < 0) return 0;
 
   /* imports dependencies */