AttributeError: 'module' object has no attribute 'main_prog'

[SeekPoint]

mldl@mldlUB1604:/ub16_prj/textclusteringDBSCAN$ python 6_main_module.py
3366.50876566 1770
1.90198235348
Traceback (most recent call last):
File "6_main_module.py", line 49, in
arrx = cluster_file.main_prog(nof,threshold)
AttributeError: 'module' object has no attribute 'main_prog'
mldl@mldlUB1604:/ub16_prj/textclusteringDBSCAN$ ll

[zhixiaochuan12]

Read the code in 4_cluster.py