From cf98f178ad2bb55261a8ea41003ada97e520d306 Mon Sep 17 00:00:00 2001
From: Andrew Murray <radarhere@users.noreply.github.com>
Date: Tue, 26 Jan 2021 08:01:26 +1100
Subject: [PATCH 1/2] Added tk version

---
 src/PIL/_tkinter_finder.py | 3 +++
 src/PIL/features.py        | 2 +-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/PIL/_tkinter_finder.py b/src/PIL/_tkinter_finder.py
index 7018a1b79a9..7463595358f 100644
--- a/src/PIL/_tkinter_finder.py
+++ b/src/PIL/_tkinter_finder.py
@@ -1,9 +1,12 @@
 """ Find compiled module linking to Tcl / Tk libraries
 """
 import sys
+import tkinter
 from tkinter import _tkinter as tk
 
 if hasattr(sys, "pypy_find_executable"):
     TKINTER_LIB = tk.tklib_cffi.__file__
 else:
     TKINTER_LIB = tk.__file__
+
+tk_version = str(tkinter.TkVersion)
diff --git a/src/PIL/features.py b/src/PIL/features.py
index da0ca557cf2..ad0047287c0 100644
--- a/src/PIL/features.py
+++ b/src/PIL/features.py
@@ -9,7 +9,7 @@
 
 modules = {
     "pil": ("PIL._imaging", "PILLOW_VERSION"),
-    "tkinter": ("PIL._tkinter_finder", None),
+    "tkinter": ("PIL._tkinter_finder", "tk_version"),
     "freetype2": ("PIL._imagingft", "freetype2_version"),
     "littlecms2": ("PIL._imagingcms", "littlecms_version"),
     "webp": ("PIL._webp", "webpdecoder_version"),

From aa742fd8a446868e2720c91a5bf634f238beded5 Mon Sep 17 00:00:00 2001
From: nulano <nulano@nulano.eu>
Date: Mon, 25 Jan 2021 22:13:33 +0100
Subject: [PATCH 2/2] Document availability of tk version number. [ci skip]

---
 docs/reference/features.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/reference/features.rst b/docs/reference/features.rst
index dd218fa0e70..0a6381098da 100644
--- a/docs/reference/features.rst
+++ b/docs/reference/features.rst
@@ -17,7 +17,7 @@ Modules
 Support for the following modules can be checked:
 
 * ``pil``: The Pillow core module, required for all functionality.
-* ``tkinter``: Tkinter support. Version number not available.
+* ``tkinter``: Tkinter support.
 * ``freetype2``: FreeType font support via :py:func:`PIL.ImageFont.truetype`.
 * ``littlecms2``: LittleCMS 2 support via :py:mod:`PIL.ImageCms`.
 * ``webp``: WebP image support.