this is what I get

root@lighthouse:/# apt-get install python-letsencrypt-apache=0.7.0-0ubuntu0.16.04.1~ppa1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  apache2 apache2-bin apache2-data apache2-utils certbot letsencrypt libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libicu55 liblua5.1-0 libpython-stdlib libpython2.7-minimal
  libpython2.7-stdlib libxml2 python python-acme python-certbot python-certbot-apache python-cffi-backend python-chardet python-configargparse python-configobj python-cryptography
  python-enum34 python-funcsigs python-idna python-ipaddress python-josepy python-letsencrypt python-minimal python-mock python-openssl python-parsedatetime python-pbr python-pkg-resources
  python-pyasn1 python-requests python-rfc3339 python-setuptools python-six python-tz python-urllib3 python-zope.component python-zope.event python-zope.hookable python-zope.interface
  python2.7 python2.7-minimal
Suggested packages:
  www-browser apache2-doc apache2-suexec-pristine | apache2-suexec-custom ufw python-certbot-nginx python-certbot-doc python-doc python-tk python-acme-doc python-certbot-apache-doc
  python-configobj-doc python-cryptography-doc python-cryptography-vectors python-enum34-doc python-funcsigs-doc python-mock-doc python-openssl-doc python-openssl-dbg doc-base
  python-ndg-httpsclient python-setuptools-doc python-ntlm python2.7-doc binfmt-support
Recommended packages:
  ssl-cert xml-core python-pyicu python-ndg-httpsclient
The following NEW packages will be installed:
  apache2 apache2-bin apache2-data apache2-utils certbot letsencrypt libapr1 libaprutil1 libaprutil1-dbd-sqlite3 libaprutil1-ldap libicu55 liblua5.1-0 libpython-stdlib libpython2.7-minimal
  libpython2.7-stdlib libxml2 python python-acme python-certbot python-certbot-apache python-cffi-backend python-chardet python-configargparse python-configobj python-cryptography
  python-enum34 python-funcsigs python-idna python-ipaddress python-josepy python-letsencrypt python-letsencrypt-apache python-minimal python-mock python-openssl python-parsedatetime
  python-pbr python-pkg-resources python-pyasn1 python-requests python-rfc3339 python-setuptools python-six python-tz python-urllib3 python-zope.component python-zope.event
  python-zope.hookable python-zope.interface python2.7 python2.7-minimal
0 upgraded, 51 newly installed, 0 to remove and 0 not upgraded.
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