last try of videogrep - i forgot the .py in my syntax

C:\python\GitHub\videogrep\videogrep>python.exe videogrep --input "GOW 1hr.mp4" --search 'boy'
python.exe: can't open file 'videogrep': [Errno 2] No such file or directory

C:\python\GitHub\videogrep\videogrep>python.exe videogrep.py --input "GOW 1hr.mp4" --search 'boy'
Traceback (most recent call last):
  File "videogrep.py", line 14, in <module>
    from .vtt import parse_auto_sub
ImportError: attempted relative import with no known parent package

C:\python\GitHub\videogrep\videogrep>