Bug#931063: dpkg: error processing package python3.4 (--configure):

Package: upgrade-reports
Severity: important

Dear Maintainer,

I executed the following this morning:
sudo apt-get update
sudo apt-get upgrade

and I got these error statements:
Setting up python3.4 (3.4.2-1+deb8u3) ...
  File "/usr/lib/python3.4/http/client.py", line 1014
    raise InvalidURL(f"URL can't contain control characters. {url!r} "
......................................................................^
SyntaxError: invalid syntax
dpkg: error processing package python3.4 (--configure);
 subprocess installed post-installation script returned error exit status 1



-- System Information:
Debian Release: 8.11
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable')
Architecture: i386 (i686)

Kernel: Linux 3.16.0-8-686-pae (SMP w/2 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)