some bugfixes

parser/parser-quasi-harmonic-properties/qhp.py

 import numpy as np
+import os
+import argparse
 import setup_paths
 from nomadcore.unit_conversion.unit_conversion import convert_unit_function
 from nomadcore.parser_backend import *
@@ -52,7 +54,7 @@ if __name__ == '__main__':
 
     args = parser.parse_args()
     if args.mainFilePath:
-        mainDir = os.path.dirname(os.path.dirname(os.path.abspath(args.mainFilePath)))
+        mainDir = os.path.dirname(args.mainFilePath)
         os.chdir(mainDir)
     with open("Quasi-harmonic_properties.txt") as qh:
         for line in qh: