[IMPR] use @staticmethod for several methods

Change-Id: I3c0cd141d036acba009d74148b694511dfe8c83c
---
M tests/oauth_tests.py
M tests/replacebot_tests.py
M tests/edit_failure_tests.py
M tests/paraminfo_tests.py
M pywikibot/site/_basesite.py
5 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/pywikibot/site/_basesite.py b/pywikibot/site/_basesite.py
index eec692a..7292efc 100644
--- a/pywikibot/site/_basesite.py
+++ b/pywikibot/site/_basesite.py
@@ -231,7 +231,8 @@
         yield base_path + '?title={}'
         yield self.articlepath
 
-    def _build_namespaces(self):
+    @staticmethod
+    def _build_namespaces():
         """Create default namespaces."""
         return Namespace.builtin_namespaces()
 
diff --git a/tests/edit_failure_tests.py b/tests/edit_failure_tests.py
index b09abf6..8b1109c 100755
--- a/tests/edit_failure_tests.py
+++ b/tests/edit_failure_tests.py
@@ -8,7 +8,7 @@
 These tests use special code 'write = -1' for edit failures.
 """
 #
-# (C) Pywikibot team, 2014-2022
+# (C) Pywikibot team, 2014-2023
 #
 # Distributed under the terms of the MIT license.
 #
@@ -148,7 +148,8 @@
         with self.assertRaises(PageSaveRelatedError):
             item.save()
 
-    def _make_WbMonolingualText_claim(self, repo, text, language):
+    @staticmethod
+    def _make_WbMonolingualText_claim(repo, text, language):
         """Make a WbMonolingualText and set its value."""
         claim = pywikibot.page.Claim(repo, 'P271', datatype='monolingualtext')
         target = pywikibot.WbMonolingualText(text=text, language=language)
diff --git a/tests/oauth_tests.py b/tests/oauth_tests.py
index 7546995..4364367 100755
--- a/tests/oauth_tests.py
+++ b/tests/oauth_tests.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """Test OAuth functionality."""
 #
-# (C) Pywikibot team, 2015-2022
+# (C) Pywikibot team, 2015-2023
 #
 # Distributed under the terms of the MIT license.
 #
@@ -24,7 +24,8 @@
 
     oauth = True
 
-    def _get_oauth_tokens(self):
+    @staticmethod
+    def _get_oauth_tokens():
         """Get valid OAuth tokens from environment variables."""
         tokens = os.environ.get('PYWIKIBOT_TEST_OAUTH')
         return tuple(tokens.split(':')) if tokens is not None else None
diff --git a/tests/paraminfo_tests.py b/tests/paraminfo_tests.py
index 13d67afd..f5877f4 100755
--- a/tests/paraminfo_tests.py
+++ b/tests/paraminfo_tests.py
@@ -22,7 +22,8 @@
 
     """Base class for paraminfo checks."""
 
-    def _get_param_values(self, site, module, parameter):
+    @staticmethod
+    def _get_param_values(site, module, parameter):
         """Perform check that a parameter matches the expected list."""
         with skipping(
             ValueError,
diff --git a/tests/replacebot_tests.py b/tests/replacebot_tests.py
index 291d9a2..d678c0b 100755
--- a/tests/replacebot_tests.py
+++ b/tests/replacebot_tests.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 """Tests for the replace script and ReplaceRobot class."""
 #
-# (C) Pywikibot team, 2015-2022
+# (C) Pywikibot team, 2015-2023
 #
 # Distributed under the terms of the MIT license.
 #
@@ -86,7 +86,8 @@
         self.inputs.append(message)
         return 'TESTRUN'
 
-    def _run(self, *args):
+    @staticmethod
+    def _run(*args):
         """Run the :py:obj:`replace.main` with the given args.
 
         It also adds -site and -page parameters:

