DeepSpeech package initial install Error

[ShujaSajid]

pip install -r videoSummarizer/requirements.txt

ERROR: Could not find a version that satisfies the requirement deepspeech==0.6.1 (from versions: none)
ERROR: No matching distribution found for deepspeech==0.6.1

The initsial setup does not complete as the istallation of requirnments break.