Error when renaming a directory with several opened files in it

Problem Description

What steps will reproduce the problem?

renamed a directory with several opened files in it

Traceback

  File "D:\Programme\Anaconda3\lib\site-packages\spyder\plugins\editor.py", line 1364, in close_file_in_all_editorstacks
    index = editorstack.get_index_from_filename(filename)
  File "D:\Programme\Anaconda3\lib\site-packages\spyder\widgets\editor.py", line 1364, in get_index_from_filename
    return filenames.index(filename)
ValueError: 'D:\\Daten\\design\\python\\git\\pyfda\\pyfda\\hdl_generation\\hdl_df2.py' is not in list

Package Versions

• Spyder version: 3.2.8
• Python version: 3.5.2
• Qt version: 5.6.2
• PyQt5 version: 5.6
• Operating system: Windows 7

Dependencies

pyflakes >=0.6.0 :  1.3.0 (OK)
pycodestyle >=2.3:  2.3.1 (OK)
pygments >=2.0   :  2.1.3 (OK)
pandas >=0.13.1  :  0.18.1 (OK)
numpy >=1.7      :  1.11.1 (OK)
sphinx >=0.6.6   :  1.3.1 (OK)
rope >=0.9.4     :  0.9.4-1 (OK)
jedi >=0.9.0     :  0.9.0 (OK)
nbconvert >=4.0  :  5.2.1 (OK)
sympy >=0.7.3    :  1.0 (OK)
cython >=0.21    :  0.24.1 (OK)
qtconsole >=4.2.0:  4.2.1 (OK)
IPython >=4.0    :  5.1.0 (OK)
pylint >=0.25    :  1.5.4 (OK)

[ccordoba12]

@dalthviz, please work on this one.

[dalthviz]

I could not reproduce this issue after all, @chipmuenk feel free to reopen it if you can give us more info about how to reproduce the error or you handle to experiment it again.