strace -o st -s 9999 -e openat,open,readlink,stat,lstat -f python3.7 /home/mdupont/.ansible/tmp/ansible-tmp-1579783694.3938165-128929969192073/AnsiballZ_sqs_queue.py
7150 openat(AT_FDCWD, "/etc/boto.cfg", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7150 openat(AT_FDCWD, "/home/mdupont/.boto", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7150 openat(AT_FDCWD, "/etc/boto.cfg", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
7150 openat(AT_FDCWD, "/home/mdupont/.boto", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
Copying ~/.boto.cfg to ~/.boto does the trick!
hope this helps someone,
mike