Run GDB repeatedly and get a backtrace when error happens

gistfile1.txt

#!/bin/bash
set -eu

i=1
while [ $i -le 10 ]
do
    gdb_output=$(gdb -batch -ex "run" -ex "bt" --args python regression.py 2>&1)
    if [[ ${gdb_output} != *'No stack'* ]]; then
        echo -e "${gdb_output}"
        break
    fi
    echo "Running $i"
    i=$(( $i + 1 ))
done