diff -up OpenMolcas-v18.0.o180813-1752/Tools/pymolcas/pymolcas.py.orig OpenMolcas-v18.0.o180813-1752/Tools/pymolcas/pymolcas.py
--- OpenMolcas-v18.0.o180813-1752/Tools/pymolcas/pymolcas.py.orig	2018-09-13 00:08:05.865695970 +0300
+++ OpenMolcas-v18.0.o180813-1752/Tools/pymolcas/pymolcas.py	2018-09-13 01:18:59.012739407 +0300
@@ -18,7 +18,7 @@ from __future__ import (unicode_literals
 from six import text_type
 import sys
 sys.dont_write_bytecode = True
-
+sys.path.append('@MOLCAS_PYTHON@')
 warning = ''
 stamp = 'd41d8cd98f00b204e9800998ecf8427e'