utils.py err msg

[guangboshushu]

hi
I installed the package in python 3.9.0

I use the demo code:

from Semi_ATE import STDF

for REC in STDF.records_from_file("test.stdf"):
    print(REC)

here is the err msg when run the code:

Traceback (most recent call last):
File "D:\code\python\stdf\t1.py", line 3, in
for REC in STDF.records_from_file("test.stdf"):
File "D:\ProgramData\python3.9\lib\site-packages\Semi_ATE\STDF\utils.py", line 519, in init
if compression[0] == '.xz':
IndexError: list index out of range
Exception ignored in: <function records_from_file.del at 0x0000029314DA1E50>
Traceback (most recent call last):
File "D:\ProgramData\python3.9\lib\site-packages\Semi_ATE\STDF\utils.py", line 588, in del
self.fd.close()
AttributeError: 'records_from_file' object has no attribute 'fd'