jenkins-bot merged this change.

Approvals:
  Dvorapa: Looks good to me, approved
  jenkins-bot: Verified

[IMPR] Derive ArgumentDeprecationWarning from FutureWarning

Derive ArgumentDeprecationWarning from FutureWarning which is recommended
for warnings intended to be seen by application end users. Keep inheritance
from UserWarning for backward compatibility.

Change-Id: I6f3fdb9b01b1460e28c379b1804278843fb30c0e
---
M pywikibot/exceptions.py
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pywikibot/exceptions.py b/pywikibot/exceptions.py
index cdadc09..1be8d9a 100644
--- a/pywikibot/exceptions.py
+++ b/pywikibot/exceptions.py
@@ -81,7 +81,7 @@
   - FamilyMaintenanceWarning: missing information in family definition
 """
 #
-# (C) Pywikibot team, 2008-2019
+# (C) Pywikibot team, 2008-2020
 #
 # Distributed under the terms of the MIT license.
 #
@@ -104,7 +104,7 @@
     pass
 
 
-class ArgumentDeprecationWarning(UserWarning):
+class ArgumentDeprecationWarning(UserWarning, FutureWarning):
 
     """Command line argument that is no longer supported."""

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