fail at installing requirements

[marcelo321]

pip install -r requirements.txt

Collecting route53 (from -r requirements.txt (line 1))
  Using cached https://files.pythonhosted.org/packages/0f/8e/6a2801012c000f81580ff6a6d69d5c5ad136589f4ed306f7b0bb8e63c5fe/route53-1.0.1.tar.gz
Collecting traceback (from -r requirements.txt (line 2))
Could not install packages due to an EnvironmentError: 404 Client Error: Not Found for url: https://pypi.org/simple/traceback/