TypeError: the JSON object must be str, bytes or bytearray, not float

[jorgheymans]

For my repository i do
gilot hotgraph -i app.csv

and i get this stacktrace:

Traceback (most recent call last):
  File "/home/user/.local/bin/gilot", line 8, in <module>
    sys.exit(main())
  File "/home/user/.local/lib/python3.10/site-packages/gilot/app.py", line 418, in main
    args.handler(args)
  File "/home/user/.local/lib/python3.10/site-packages/gilot/app.py", line 127, in handle_hotgraph
    epanded_df = df.expand_files(is_match)
  File "/home/user/.local/lib/python3.10/site-packages/gilot/core.py", line 214, in expand_files
    dics = [e for c in self.to_records()
  File "/home/user/.local/lib/python3.10/site-packages/gilot/core.py", line 215, in <listcomp>
    for e in c.expand()]
  File "/home/user/.local/lib/python3.10/site-packages/gilot/core.py", line 139, in expand
    file_info = json.loads(self.files_json)
  File "/usr/lib/python3.10/json/__init__.py", line 339, in loads
    raise TypeError(f'the JSON object must be str, bytes or bytearray, '
TypeError: the JSON object must be str, bytes or bytearray, not float

Can i troubleshoot this somehow?