Description of problem:
pymol installs tkinter, but not python3-tkinter.
Hence only 1 of 2 PyMOL windows are displayed.

After installation of python3-tkinter 2 of 2 PyMOL windows are displayed.

Version-Release number of selected component (if applicable):
pymol-1.8.2.2-4.20160625svn4159.fc24.x86_64
tkinter-2.7.12-2.fc24.x86_64
python3-tkinter-3.5.1-13.fc24.x86_64

How reproducible:
100%

Steps to Reproduce:
1. $ sudo dnf install -y pymol
2. $ pymol
3. $ sudo dnf install -y python3-tkinter
4. $ pymol

Actual results:
output in terminal after step 2
...
 OpenGL graphics engine:
  GL_VENDOR:   nouveau
  GL_RENDERER: Gallium 0.4 on NV96
  GL_VERSION:  3.0 Mesa 12.0.1
Traceback (most recent call last):
  File "/usr/lib64/python3.5/site-packages/pmg_tk/PMGApp.py", line 25, in <module>
    import Queue
ImportError: No module named 'Queue'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib64/python3.5/site-packages/pymol/__init__.py", line 381, in launch_gui
    __import__(self.invocation.options.gui)
  File "/usr/lib64/python3.5/site-packages/pmg_tk/__init__.py", line 22, in <module>
    from .PMGApp import *
  File "/usr/lib64/python3.5/site-packages/pmg_tk/PMGApp.py", line 31, in <module>
    from tkinter import *
ImportError: No module named 'tkinter'


Expected results:
output in terminal after step 4
...
 OpenGL graphics engine:
  GL_VENDOR:   nouveau
  GL_RENDERER: Gallium 0.4 on NV96
  GL_VERSION:  3.0 Mesa 12.0.1


Additional Info:
ABRT does not detect the problem of step 2.