[flake8] fix bugbear 24.1.17 issues

All of the B038 issues are not related to us and are false positives.
We can ignore them. I leave a comment for the reason.

Bug: T355372
Change-Id: I47462971df848293380727f4645d7b2fe61d7725
---
M pywikibot/data/api/__init__.py
M pywikibot/proofreadpage.py
M scripts/dataextend.py
3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/pywikibot/data/api/__init__.py b/pywikibot/data/api/__init__.py
index 530f15b..9f289ab 100644
--- a/pywikibot/data/api/__init__.py
+++ b/pywikibot/data/api/__init__.py
@@ -1,6 +1,6 @@
 """Interface to Mediawiki's api.php."""
 #
-# (C) Pywikibot team, 2014-2023
+# (C) Pywikibot team, 2014-2024
 #
 # Distributed under the terms of the MIT license.
 #
@@ -57,7 +57,10 @@
     if isinstance(family, SubdomainFamily):
         for cookie in http.cookie_jar:
             if family.domain == cookie.domain:
-                http.cookie_jar.clear(cookie.domain, cookie.path, cookie.name)
+                # ignore B038: iterating over cookies already uses a list,
+                # created in cookiejar.deepvalues()
+                http.cookie_jar.clear(  # noqa: B038
+                    cookie.domain, cookie.path, cookie.name)
 
 
 # Bug: T113120, T228841
diff --git a/pywikibot/proofreadpage.py b/pywikibot/proofreadpage.py
index 7e7c24e..8f217e9 100644
--- a/pywikibot/proofreadpage.py
+++ b/pywikibot/proofreadpage.py
@@ -22,7 +22,7 @@
 
 """
 #
-# (C) Pywikibot team, 2015-2023
+# (C) Pywikibot team, 2015-2024
 #
 # Distributed under the terms of the MIT license.
 #
@@ -543,7 +543,8 @@
                 if self._num is not None:
                     for page in what_links_here:
                         if page.title(with_ns=False) == self._base:
-                            what_links_here.remove(page)
+                            # ignore B038, we break the loop after removal
+                            what_links_here.remove(page)  # noqa: B038
                             self._index = (page, what_links_here)
                             break
 
diff --git a/scripts/dataextend.py b/scripts/dataextend.py
index e63cf36..0c97fe9 100755
--- a/scripts/dataextend.py
+++ b/scripts/dataextend.py
@@ -54,7 +54,7 @@
 .. versionadded:: 7.2
 """
 #
-# (C) Pywikibot team, 2020-2023
+# (C) Pywikibot team, 2020-2024
 #
 # Distributed under the terms of the MIT license.
 #
@@ -967,7 +967,9 @@
                                             claim[0]])].addSources(sourcedata)
                         else:
                             if claim[0] not in propsdone:
-                                propstodo.append(claim[0])
+                                # DequeGenerator is intended to add items
+                                # during generation, therefore ignore B038
+                                propstodo.append(claim[0])  # noqa: B038
 
                             createdclaim = pywikibot.Claim(self.site, claim[0])
 
@@ -1093,7 +1095,8 @@
                                                     0]])].addSources(sourcedata)
                                     except AttributeError:
                                         if prop not in propsdone:
-                                            propstodo.append(prop)
+                                            # ignore B038 due to DequeGenerator
+                                            propstodo.append(prop)  # noqa: B038
                                         pywikibot.info('Sourcing failed')
 
                 for language, description in analyzer.getdescriptions():

