Fix absolute path

heurigen-data.py

@@ -64,7 +64,7 @@ class HeuriGen(datasets.GeneratorBasedBuilder):
             all_files = []
             for path in glob.glob(os.path.join(base, pattern), recursive=True):
                 if os.path.isfile(path):
-                    all_files.append(path)
+                    all_files.append(os.path.abspath(path))
             return sorted(all_files)
 
         return [