Adding a warning about the regsub module. This also disables further
warnings in this same module, to prevent getting a warning about
importing regex (we *know* that it's obsolete :-).
diff --git a/Lib/regsub.py b/Lib/regsub.py
index dc95028..a0ca8fe 100644
--- a/Lib/regsub.py
+++ b/Lib/regsub.py
@@ -10,6 +10,13 @@
return delimiters
"""
+import warnings
+warnings.warn("the regsub module is deprecated; please use re.sub()",
+ DeprecationWarning)
+
+# Ignore further deprecation warnings about this module
+warnings.filterwarnings("ignore", "", DeprecationWarning, __name__)
+
import regex