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Commit 7d17ae2a (.flake8: fix check for 80/132 columns) introduced a difference in how flake8 behaves between the automatic checks done in the CI, where the maximum line length is 132, and the local checks, where the maximum line length is 80. The rationale at the time was that we recommend 80 char lines, but that we accept 132 when it makes sense for readability. However, this is very annoying when running flake8 locally, because of two reasons: 1. human reviews on python scripts have not been as thorough as we did expect; indeed, we've let a lot of long lines slip through; this causes a lot of spurious failures that hide away the actual errors; 2. when hacking on a python script, the issues reported will not be caused by the current changes, so the many reported failures actually hide away the newly introduced issues. Additionally, our 'make check-flake8' rule already enforces the 132-char limit, and the issues reported are differ...
