PermissionError: [Errno 13] Permission denied
<p>I'm getting this error :</p>
<pre><code>Exception in Tkinter callback
Traceback (most recent call last):
File &quot;C:\Python34\lib\tkinter\__init__.py&quot;, line 1538, in __call__
return self.func(*args)
File &quot;C:/Users/Marc/Documents/Programmation/Python/Llamachat/Llamachat/Llamachat.py&quot;, line 32, in download
with open(place_to_save, 'wb') as file:
PermissionError: [Errno 13] Permission denied: '/goodbye.txt'
</code></pre>
<p>When running this :</p>
<pre><code>def download():
    # get selected line index
    index = films_list.curselection()[0]
    # get the line's text
    selected_text = films_list.get(index)
    directory = filedialog.askdirectory(parent=root, 
                                        title=&quot;Choose where to save your movie&quot;)
    place_to_save = directory + '/' + selected_text
    print(directory, selected_text, place_to_save)
    with open(place_to_save, 'wb') as file:
        connect.retrbinary('RETR ' + selected_text, file.write)
    tk.messagebox.showwarning('File downloaded', 
                              'Your movie has been successfully downloaded!' 
                              '\nAnd saved where you asked us to save it!!')
</code></pre>
<p>Can someone tell me what I am doing wrong?</p>
<p>Specs :
Python 3.4.4 x86
Windows 10 x64</p>