GIMP Version: 2.8.18
Operating System: Windows
GIMP Experience: Intermediate Level

List any ERROR messages you received:
** (pythonw.exe:1684): WARNING **: Trying to register gtype 'GDriveStartFlags' as enum when in fact it is of type 'GFlags'

** (pythonw.exe:1684): WARNING **: Trying to register gtype 'GSocketMsgFlags' as enum when in fact it is of type 'GFlags'
Removing duplicate PDB procedure 'guidelabextrainstall' registered by 'c:\Users\Peter\.gimp-2.8\Glas\guidelab_paint.py.~1~'
Error processing line 3 of C:\Program Files\GIMP 2\Python\lib\site-packages\pygtk.pth:

Traceback (most recent call last):
File "C:\Program Files\GIMP 2\Python\lib\site.py", line 152, in addpackage
exec line
File "<string>", line 1, in <module>
ImportError: No module named runtime

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Running Gimp 2.8.18 on W10 (itself without error) I start it from a Msys shell, to see error-messages created from my tries of a plugin, this is ok.
BUT the shell is filled with so much warnings and like these
(set into code for readability)

Very much annoying to find the real self made errors while programming with PythonFu ...

Any idea to solve or suppress this ?

Greets
Peter