Description of problem:
Sometimes appears randomly when using the app, but doesn't cause it to crash. 
I will try to replicate this later and write exactly what I did.

Version-Release number of selected component:
bottles-2022.3.14-1.fc35

Additional info:
reporter:       libreport-2.15.2
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-gnome-com.usebottles.bottles-4298.scope
cmdline:        /usr/bin/python3 /usr/bin/bottles
crash_function: __validate_path
exception_type: TypeError
executable:     /usr/bin/bottles
interpreter:    python3-3.10.4-1.fc35.x86_64
kernel:         5.16.19-200.fc35.x86_64
runlevel:       N 5
type:           Python3
uid:            1000

Truncated backtrace:
executor.py:55:__validate_path:TypeError: argument of type 'bool' is not iterable

Traceback (most recent call last):
  File "/usr/share/bottles/bottles/views/list.py", line 134, in run_executable
    executor = WineExecutor(
  File "/usr/share/bottles/bottles/backend/wine/executor.py", line 36, in __init__
    self.__validate_path(exec_path)
  File "/usr/share/bottles/bottles/backend/wine/executor.py", line 55, in __validate_path
    if ":\\" in exec_path:
TypeError: argument of type 'bool' is not iterable

Local variables in innermost frame:
exec_path: False