The legacy implementation was not handling UNC names properly:
Traceback (most recent call last):
File "check.py", line 6, in <module>
send2trash(str(file))
File "\...\plat_win_legacy.py", line 79, in send2trash
paths = [get_short_path_name(path) for path in paths]
File "\...\plat_win_legacy.py", line 79, in <listcomp>
paths = [get_short_path_name(path) for path in paths]
File "\...\plat_win_legacy.py", line 62, in get_short_path_name
raise WindowsError(err_no, FormatError(err_no), long_name[4:])
OSError: [Errno 123] La syntaxe du nom de fichier, de répertoire ou de volume est incorrecte.: '\\\\SERVER\\folder\\file.txt'
436686bf0f