Fix flake8 errors

Author: TLouf

setup.cfg

@@ -1,6 +1,6 @@
 [flake8]
 max-line-length = 95
-ignore = E116,E241,E251,E741,W504,I101,B006,B023,SIM102,SIM103,SIM105,SIM110,SIM113,SIM114,SIM115,SIM117,SIM223,SIM300,SIM401,SIM904,SIM905,SIM907
+ignore = E116,E241,E251,E741,W503,W504,I101,B006,B023,SIM102,SIM103,SIM105,SIM110,SIM113,SIM114,SIM115,SIM117,SIM223,SIM300,SIM401,SIM904,SIM905,SIM907
 exclude = .git,.tox,.venv,tests/roots/*,build/*,doc/_build/*,sphinx/search/*,doc/usage/extensions/example*.py
 application-import-names = sphinx
 import-order-style = smarkets

sphinx/domains/c.py

@@ -686,7 +686,12 @@ def describe_signature(self, signode: Any, mode: str,
 
 
 class ASTParameters(ASTBase):
-    def __init__(self, args: List[ASTFunctionParameter], attrs: ASTAttributeList, multiline: bool = False) -> None:
+    def __init__(
+        self,
+        args: List[ASTFunctionParameter],
+        attrs: ASTAttributeList,
+        multiline: bool = False
+    ) -> None:
         self.args = args
         self.attrs = attrs
         self.multiline = multiline
@@ -3244,7 +3249,9 @@ def handle_signature(self, sig: str, signode: TextElement) -> ASTDeclaration:
             and len(sig) > max_len
         )
         signode['is_multiline'] = multiline
-        parser = DefinitionParser(sig, location=signode, config=self.env.config, multiline=multiline)
+        parser = DefinitionParser(
+            sig, location=signode, config=self.env.config, multiline=multiline
+        )
         try:
             ast = self.parse_definition(parser)
             parser.assert_end()

sphinx/domains/cpp.py

@@ -7360,7 +7360,9 @@ def handle_signature(self, sig: str, signode: desc_signature) -> ASTDeclaration:
             and len(sig) > max_len
         )
         signode['is_multiline'] = multiline
-        parser = DefinitionParser(sig, location=signode, config=self.env.config, multiline=multiline)
+        parser = DefinitionParser(
+            sig, location=signode, config=self.env.config, multiline=multiline
+        )
         try:
             ast = self.parse_definition(parser)
             parser.assert_end()