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From: Scott Talbert <swt@techie.net>
Newsgroups: linux.debian.maint.python
Subject: Re: [Help] graphlan: Python2 removal in sid/bullseye
Date: Fri, 08 Nov 2019 16:10:01 +0100
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Xref: csiph.com linux.debian.maint.python:11990

On Fri, 8 Nov 2019, Andreas Tille wrote:

> Hi,
>
> I started an attempt to port graphlan to Python3 in Git[1] but its
> autopkgtest throws errors:
>
>
>
> Running test script ./IBD_biogeography/run.sh .
> Traceback (most recent call last):
>  File "/usr/bin/graphlan_annotate", line 26, in <module>
>    from src.graphlan_lib import CircTree as CTree
>  File "/usr/share/graphlan/src/graphlan_lib.py", line 99, in <module>
>    legal_options = set(zip(*clade_attr+ext_attr+int_attr+structural_attr+global_graphical_attr+branch_attr+leg_attr)[0]) | set(['class'])
> TypeError: 'zip' object is not subscriptable
> Traceback (most recent call last):
>  File "/usr/bin/graphlan", line 29, in <module>
>    from src.graphlan_lib import CircTree as CTree
>  File "/usr/share/graphlan/src/graphlan_lib.py", line 99, in <module>
>    legal_options = set(zip(*clade_attr+ext_attr+int_attr+structural_attr+global_graphical_attr+branch_attr+leg_attr)[0]) | set(['class'])
> TypeError: 'zip' object is not subscriptable

Try converting the zip(x) to list(zip(x)).

See: 
https://stackoverflow.com/questions/27431390/typeerror-zip-object-is-not-subscriptable/27431433

Scott