-r passbook/core/requirements.txt
-r passbook/oauth_client/requirements.txt
-r passbook/ldap/requirements.txt
-r passbook/saml_idp/requirements.txt
-r passbook/otp/requirements.txt
-r passbook/oauth_provider/requirements.txt
-r passbook/captcha_factor/requirements.txt
-r passbook/admin/requirements.txt
-r passbook/api/requirements.txt
-r passbook/app_gw/requirements.txt