commit 243b2064ce4fb7f90e69f9a4fa9c7e7ec70eba17
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Mar 01 15:13:57 2019 -0800
committer GitHub <noreply@github.com> Fri Mar 01 15:13:57 2019 -0800
tree 0e72d2e9ffd2b8c9906afe202b8cb8f6fdc9bb52
parent b94874f7e27cbc92e0aec8779ee98bcb16efb257

bpo-32129: Avoid blurry IDLE application icon on macOS with Tk 8.6. (GH-12031)


 Patch by Kevin Walzer.
(cherry picked from commit 7eebbbd5b3907447eddadf5cb7cb1cc9230d15b2)

Co-authored-by: Ned Deily <nad@python.org>

Lib/idlelib/pyshell.py

diff --git a/Lib/idlelib/pyshell.py b/Lib/idlelib/pyshell.py
index ea49aff..11bafdb 100755
--- a/Lib/idlelib/pyshell.py
+++ b/Lib/idlelib/pyshell.py
@@ -1495,7 +1495,7 @@
     if system() == 'Windows':
         iconfile = os.path.join(icondir, 'idle.ico')
         root.wm_iconbitmap(default=iconfile)
-    else:
+    elif not macosx.isAquaTk():
         ext = '.png' if TkVersion >= 8.6 else '.gif'
         iconfiles = [os.path.join(icondir, 'idle_%d%s' % (size, ext))
                      for size in (16, 32, 48)]