Graph tool has unmet dependencies on Google Colab
When trying to initialise graph tool on Google colab, it comes up with this error about broken packages.
The following packages have unmet dependencies:
python3-graph-tool : Depends: libboost-context1.65.1 but it is not installable
Depends: libboost-iostreams1.65.1 but it is not installable
Depends: libboost-python1.65.1 but it is not installable
Depends: libboost-regex1.65.1 but it is not installable
Recommends: libgv-python but it is not installable
Recommends: python-matplotlib but it is not installable
Recommends: python-cairo but it is not going to be installed
Recommends: python-gi-cairo but it is not going to be installed
Recommends: python-gi but it is not going to be installed
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:55
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:55
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:67
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:67
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:68
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:68
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:69
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:69
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:70
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:70
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:71
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:54 and /etc/apt/sources.list:71
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:56 and /etc/apt/sources.list:57
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:56 and /etc/apt/sources.list:57
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:56 and /etc/apt/sources.list:58
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:56 and /etc/apt/sources.list:58
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:63 and /etc/apt/sources.list:64
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:63 and /etc/apt/sources.list:64
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:63 and /etc/apt/sources.list:66
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:63 and /etc/apt/sources.list:66
E: Unable to correct problems, you have held broken packages.