Python 3.7 doesn't seem to like this

Author: rickprice

Lib/test/test_ssl.py

@@ -4840,7 +4840,7 @@ def non_linux_skip_if_other_okay_error(self, err):
             # is known to work on Linux. We'll skip it anywhere else that it
             # does not present as doing so.
             self.skipTest(f"Could not recreate conditions on {sys.platform}:"
-                          f" {err=}")
+                          f" {err}")
         # If maintaining this conditional winds up being a problem.
         # just turn this into an unconditional skip anything but Linux.
         # The important thing is that our CI has the logic covered.