lossless_cut not cutting actual commercial secticommericals

Bug report for "lossless_cut.py":
  Recorded file: "/var/lib/mythtv/recordings/1834_20131221200000.mpg"

Installation details:

Distributor ID:	Ubuntu
Description:	Ubuntu 12.04.3 LTS
Release:	12.04
Codename:	precise
i686

MythTV version:             0.25.1
mkvmerge version:           mkvmerge v6.6.0 ('The Edge Of The In Between') built on Dec  1 2013 17:49:26
mediainfo version:          MediaInfo Command line, MediaInfoLib - v0.7.61
ll_report version:          0.1.4

Recorded video file information:
    Frames per second (FPS):      29.970
    WidthxHeight in pixels:       1920x1080

Cut list:
    Original:           ([(0, 587), (30316, 36488), (49177, 56954), (74652, 82951), (101883, 110918), (123570, 133215), (150872, 160506), (175516, 183634), (196644, 9999999)])
    Inclusive:          ([(587, 30316), (36488, 49177), (56954, 74652), (82951, 101883), (110918, 123570), (133215, 150872), (160506, 175516), (183634, 196644)])
    Keyframe adjusted:  ([[628.0, 30352.0], [36502.0, 49213.0], [56967.0, 74670.0], [82966.0, 101915.0], [110936.0, 123581.0], [133232.0, 150909.0], [160522.0, 175532.0], [183649.0, 196643.0]])

Recording device:
    Name:                   "HDHRP-0"
    Card type:              "HDHOMERUN"
    Default Input:          "MPEG2TS"
    Video Device:           "131A5807-0"
    Audio Device:           "None"
    Host name:              "myth6"

Track totals:
    1 Video track(s)
    1 Audio track(s)
    0 Subtitle track(s)

Video track details:
    Format:                  MPEG Video
    Format version:          Version 2
    Bit rate mode:           Variable
    Bit rate:                7 451 Kbps
    Maximum bit rate:        20.0 Mbps
    Display aspect ratio:    16:9
    Frame rate:              29.970 fps
    Color space:             YUV
    Chroma subsampling:      4:2:0
    Bit depth:               8 bits
    Scan type:               Interlaced
    Compression mode:        Lossy
    Width:                   1 920 pixels
    Height:                  1 080 pixels

Audio track details:
    Format:                  AC-3
    Codec ID:                129
    Bit rate mode:           Constant
    Bit rate:                384 Kbps
    Channel s:               2 channels
    Sampling rate:           48.0 KHz
    Compression mode:        Lossy
    Delay relative to video: -976ms
    Language:                English