Traceback (most recent call last):
File "C:\Users\pixel\AppData\Local\Programs\Python\Python36\lib\tkinter\__init__.py", line 1702, in __call__
return self.func(*args)
File "application.py", line 1253, in experiment
self.treatSpectras(raw_timestamp)
File "application.py", line 1392, in treatSpectras
for i in range(len(self[folder_id, :, :])):
File "C:\Users\pixel\AppData\Local\Programs\Python\Python36\lib\tkinter\__init__.py", line 1486, in cget
return self.tk.call(self._w, 'cget', '-' + key)
TypeError: must be str, not tuple
Windows-7-6.1.7601-SP1 CPython-3.6.5