diff --git a/sphinx/__init__.py b/sphinx/__init__.py
index 037e04113..d5fe45bb7 100644
--- a/sphinx/__init__.py
+++ b/sphinx/__init__.py
@@ -44,6 +44,7 @@ if _in_development:
             ['git', 'rev-parse', '--short', 'HEAD'],
             cwd=package_dir,
             capture_output=True,
+            check=False,
             encoding='ascii',
             errors='surrogateescape',
         ).stdout:
diff --git a/sphinx/testing/fixtures.py b/sphinx/testing/fixtures.py
index 0cc4882fe..154323bf9 100644
--- a/sphinx/testing/fixtures.py
+++ b/sphinx/testing/fixtures.py
@@ -211,7 +211,8 @@ def if_graphviz_found(app: SphinxTestApp) -> None:  # NoQA: PT004
     graphviz_dot = getattr(app.config, 'graphviz_dot', '')
     try:
         if graphviz_dot:
-            subprocess.run([graphviz_dot, '-V'], capture_output=True)  # show version
+            # print the graphviz_dot version, to check that the binary is available
+            subprocess.run([graphviz_dot, '-V'], capture_output=True, check=False)
             return
     except OSError:  # No such file or directory
         pass
diff --git a/sphinx/testing/path.py b/sphinx/testing/path.py
index 7d889d7b8..49e62ce9e 100644
--- a/sphinx/testing/path.py
+++ b/sphinx/testing/path.py
@@ -150,7 +150,7 @@ class path(str):
         os.utime(self, arg)
 
     def open(self, mode: str = 'r', **kwargs: Any) -> IO:
-        return open(self, mode, **kwargs)  # noqa: SIM115
+        return open(self, mode, **kwargs)  # NoQA: SIM115
 
     def write_text(self, text: str, encoding: str = 'utf-8', **kwargs: Any) -> None:
         """
diff --git a/sphinx/writers/texinfo.py b/sphinx/writers/texinfo.py
index 7032c6583..e927dbe87 100644
--- a/sphinx/writers/texinfo.py
+++ b/sphinx/writers/texinfo.py
@@ -430,7 +430,7 @@ class TexinfoTranslator(SphinxTranslator):
             entries = self.node_menus[name]
             if not entries:
                 return
-            self.body.append(f'\n{self.escape(self.node_names[name], )}\n\n')
+            self.body.append(f'\n{self.escape(self.node_names[name])}\n\n')
             self.add_menu_entries(entries)
             for subentry in entries:
                 _add_detailed_menu(subentry)
diff --git a/tests/test_ext_imgconverter.py b/tests/test_ext_imgconverter.py
index 18be70048..73eacbd42 100644
--- a/tests/test_ext_imgconverter.py
+++ b/tests/test_ext_imgconverter.py
@@ -10,7 +10,8 @@ def _if_converter_found(app):
     image_converter = getattr(app.config, 'image_converter', '')
     try:
         if image_converter:
-            subprocess.run([image_converter, '-version'], capture_output=True)  # show version
+            # print the image_converter version, to check that the command is available
+            subprocess.run([image_converter, '-version'], capture_output=True, check=False)
             return
     except OSError:  # No such file or directory
         pass
diff --git a/tests/test_pycode_ast.py b/tests/test_pycode_ast.py
index 5efd0cbfa..3a5977a58 100644
--- a/tests/test_pycode_ast.py
+++ b/tests/test_pycode_ast.py
@@ -18,7 +18,7 @@ from sphinx.pycode.ast import unparse as ast_unparse
     ("a and b and c", "a and b and c"),         # BoolOp
     ("b'bytes'", "b'bytes'"),                   # Bytes
     ("object()", "object()"),                   # Call
-    ("1234", "1234"),                           # Constant
+    ("1234", "1234"),                           # Constant, Num
     ("{'key1': 'value1', 'key2': 'value2'}",
      "{'key1': 'value1', 'key2': 'value2'}"),   # Dict
     ("a / b", "a / b"),                         # Div
@@ -34,7 +34,6 @@ from sphinx.pycode.ast import unparse as ast_unparse
     ("a % b", "a % b"),                         # Mod
     ("a * b", "a * b"),                         # Mult
     ("sys", "sys"),                             # Name, NameConstant
-    ("1234", "1234"),                           # Num
     ("not a", "not a"),                         # Not
     ("a or b", "a or b"),                       # Or
     ("a**b", "a**b"),                           # Pow