/usr/lib/python2.7/dist-packages/pexpect/bashrc.sh is in python-pexpect 4.2.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 | source /etc/bash.bashrc
source ~/.bashrc
# Reset PS1 so pexpect can find it
PS1="$"
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