"File \u001b[0;32m~/.local/lib/python3.8/site-packages/png.py:738\u001b[0m, in \u001b[0;36mWriter.write_packed\u001b[0;34m(self, outfile, rows)\u001b[0m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=734'>735</a>\u001b[0m \u001b[39m# raise i scope out of the for loop. set to -1, because the for loop\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=735'>736</a>\u001b[0m \u001b[39m# sets i to 0 on the first pass\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=736'>737</a>\u001b[0m i \u001b[39m=\u001b[39m \u001b[39m-\u001b[39m\u001b[39m1\u001b[39m\n\u001b[0;32m--> <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=737'>738</a>\u001b[0m \u001b[39mfor\u001b[39;00m i, row \u001b[39min\u001b[39;00m \u001b[39menumerate\u001b[39m(rows):\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=738'>739</a>\u001b[0m \u001b[39m# Add \"None\" filter type.\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=739'>740</a>\u001b[0m \u001b[39m# Currently, it's essential that this filter type be used\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=740'>741</a>\u001b[0m \u001b[39m# for every scanline as\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=741'>742</a>\u001b[0m \u001b[39m# we do not mark the first row of a reduced pass image;\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=742'>743</a>\u001b[0m \u001b[39m# that means we could accidentally compute\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=743'>744</a>\u001b[0m \u001b[39m# the wrong filtered scanline if we used\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=744'>745</a>\u001b[0m \u001b[39m# \"up\", \"average\", or \"paeth\" on such a line.\u001b[39;00m\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=745'>746</a>\u001b[0m data\u001b[39m.\u001b[39mappend(\u001b[39m0\u001b[39m)\n\u001b[1;32m <a href='file:///home/bryce/.local/lib/python3.8/site-packages/png.py?line=746'>747</a>\u001b[0m data\u001b[39m.\u001b[39mextend(row)\n",