Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  python-cffi-backend python-cryptography python-enum34 python-idna python-ipaddress python-openssl python-pbr python-pyasn1 python-setuptools python-urllib3
Suggested packages:
  python-cryptography-doc python-cryptography-vectors python-enum34-doc python-openssl-doc python-openssl-dbg doc-base python-setuptools-doc python-ntlm python-socks
The following NEW packages will be installed:
  python-cffi-backend python-cryptography python-enum34 python-idna python-ipaddress python-openssl python-pbr python-pyasn1 python-requestsexceptions
  python-setuptools python-urllib3
0 upgraded, 11 newly installed, 0 to remove and 73 not upgraded.
Need to get 3,580 B/829 kB of archives.
After this operation, 4,598 kB of additional disk space will be used.
Do you want to continue? [Y/n] y
Err:1 http://in.archive.ubuntu.com/ubuntu xenial/main i386 python-requestsexceptions all 1.1.2-0ubuntu1
  403  Forbidden
Err:1 http://in.archive.ubuntu.com/ubuntu xenial/main i386 python-requestsexceptions all 1.1.2-0ubuntu1
  403  Forbidden
E: Failed to fetch http://in.archive.ubuntu.com/ubuntu/pool/main/p/python-requestsexceptions/python-requestsexceptions_1.1.2-0ubuntu1_all.deb  403  Forbidden

E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?