It is clear from the surrounding code that the intent is to only create the
'working directory' if it doesn't already exist (i.e. using an existing
directory is okay). However, without this patch, if multiple dexter instances
try to create the directory simultaneously one will raise FileExistsError.
It is clear from the surrounding code that the intent is to only create the 'working directory' if it doesn't already exist (i.e. using an existing directory is okay). However, without this patch, if multiple dexter instances try to create the directory simultaneously one will raise FileExistsError.