-r requirements.txt
mock
nose
sure==1.2.24
coverage
flake8
freezegun
flask
boto>=2.45.0
boto3>=1.4.4
botocore>=1.5.77
six>=1.9
prompt-toolkit==1.0.14
click==6.7
inflection==0.3.1
lxml==4.0.0
beautifulsoup4==4.6.0

-r requirements.txt
mock
nose
sure==1.2.24
coverage
flake8==3.4.1
freezegun
flask
boto>=2.45.0
boto3>=1.4.4
botocore>=1.5.77
six>=1.9
prompt-toolkit==1.0.14
click==6.7
inflection==0.3.1
lxml==4.0.0
beautifulsoup4==4.6.0

Fix flake8 version to 3.4.1
Fix flake8 version to 3.4.1
