[Python-checkins] bpo-42749: Use dynamic version to test for unsupported bignum in Tk (GH-23966)

[miss-islington]

https://github.com/python/cpython/commit/7bdb3e08251894b49e7893db1dc4868e2656b342
commit: 7bdb3e08251894b49e7893db1dc4868e2656b342
branch: 3.9
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2020-12-29T03:17:43-08:00
summary:

bpo-42749: Use dynamic version to test for unsupported bignum in Tk (GH-23966)


Tk can internally support bignum even if Tkinter is built without
support of bignum.
(cherry picked from commit 156b7f7052102ee1633a18e9a136ad8c38f66db0)

Co-authored-by: Serhiy Storchaka <storchaka at gmail.com>

files:
M Lib/test/test_tcl.py

diff --git a/Lib/test/test_tcl.py b/Lib/test/test_tcl.py
index a126b68a108fa..0bbb39b147ea1 100644
--- a/Lib/test/test_tcl.py
+++ b/Lib/test/test_tcl.py
@@ -447,7 +447,7 @@ def test_expr_bignum(self):
             else:
                 self.assertEqual(result, str(i))
                 self.assertIsInstance(result, str)
-        if tcl_version < (8, 5):  # bignum was added in Tcl 8.5
+        if get_tk_patchlevel() < (8, 5):  # bignum was added in Tcl 8.5
             self.assertRaises(TclError, tcl.call, 'expr', str(2**1000))
 
     def test_passing_values(self):