Error with sorted tx files not found

[BaptisteVandecrux]

I have seen the following error appearing for different sites in process_stderr:

Traceback (most recent call last):
  File "/home/aws/miniconda3/envs/py38/bin/get_l0tx", line 33, in <module>
    sys.exit(load_entry_point('pypromice', 'console_scripts', 'get_l0tx')())
  File "/mnt/data/aws/pypromice_aws/pypromice/src/pypromice/tx/get_l0tx.py", line 148, in get_l0tx
    sortLines(f, out_pn)
  File "/mnt/data/aws/pypromice_aws/pypromice/src/pypromice/tx/tx.py", line 900, in sortLines
    os.rename(out_file, in_file)
FileNotFoundError: [Errno 2] No such file or directory: 'tx/sorted_ZAK_Uv3_300234068329190_1.txt' -> 'tx/ZAK_Uv3_300234068329190_1.txt'