Issue in fs.move.move_file overwrite logic in fs==2.4.16 #535

import fs.move
from fs.osfs import OSFS


source_fs = OSFS("source-folder")
target_fs = OSFS("target-folder")


FILENAME = "data.txt"
for filesystem in [source_fs, target_fs]:
    with filesystem.open(FILENAME, "w") as fp:
        fp.write("")

fs.move.move_file(source_fs, FILENAME, target_fs, FILENAME)

---------------------------------------------------------------------------
DestinationExists                         Traceback (most recent call last)
Input In [1], in <module>
     11     with filesystem.open(FILENAME, "w") as fp:
     12         fp.write("")
---> 14 fs.move.move_file(source_fs, FILENAME, target_fs, FILENAME)

File ~/.local/share/virtualenvs/xxx/lib/python3.8/site-packages/fs/move.py:85, in move_file(src_fs, src_path, dst_fs, dst_path, preserve_time, cleanup_dst_on_error)
     83         with _src_fs.lock(), _dst_fs.lock():
     84             with OSFS(common) as base:
---> 85                 base.move(rel_src, rel_dst, preserve_time=preserve_time)
     86                 return  # optimization worked, exit early
     87 except ValueError:
     88     # This is raised if we cannot find a common base folder.
     89     # In this case just fall through to the standard method.

File ~/.local/share/virtualenvs/xxx/lib/python3.8/site-packages/fs/base.py:1161, in FS.move(self, src_path, dst_path, overwrite, preserve_time)
   1140 """Move a file from ``src_path`` to ``dst_path``.
   1141 
   1142 Arguments:
   (...)
   1158 
   1159 """
   1160 if not overwrite and self.exists(dst_path):
-> 1161     raise errors.DestinationExists(dst_path)
   1162 if self.getinfo(src_path).is_dir:
   1163     raise errors.FileExpected(src_path)

DestinationExists: destination '/target-folder/data.txt' exists

import fs.move
from fs.osfs import OSFS


filesystem = OSFS(".")

FILENAME = "data.txt"
source_path = fs.path.join("source-folder", FILENAME)
target_path = fs.path.join("target-folder", FILENAME)

for path in [source_path, target_path]:
    with filesystem.open(path, "w") as fp:
        fp.write("")

fs.move.move_file(filesystem, source_path, filesystem, target_path)