C++, code cleanup.

sphinx/domains/cpp.py

@@ -871,6 +871,7 @@ class ASTTemplateArgs(ASTBase):
             a.describe_signature(signode, 'markType', env, symbol=symbol)
         signode += nodes.Text('>')
 
+
 class ASTNestedNameElement(ASTBase):
     def __init__(self, identifier, templateArgs):
         self.identifier = identifier
@@ -986,6 +987,7 @@ class ASTNestedName(ASTBase):
         else:
             raise Exception('Unknown description mode: %s' % mode)
 
+
 class ASTTrailingTypeSpecFundamental(ASTBase):
     def __init__(self, name):
         self.name = name
@@ -2105,7 +2107,7 @@ class Symbol(object):
 
     def get_full_nested_name(self):
         names = []
-        for nne, _ in self.get_lookup_key():
+        for nne, templateParams in self.get_lookup_key():
             names.append(nne)
         return ASTNestedName(names, rooted=False)
 
@@ -3239,7 +3241,7 @@ class CPPObject(ObjectDescription):
         if s is not None:
             # something is already declared with that name
             return
-        _ = Symbol(parent=targetSymbol, identifier=symbol.identifier,
+        Symbol(parent=targetSymbol, identifier=symbol.identifier,
                templateParams=None, templateArgs=None,
                declaration=symbol.declaration.clone())
 
@@ -3496,7 +3498,7 @@ class CPPDomain(Domain):
         'enumerator': CPPXRefRole()
     }
     initial_data = {
-        'rootSymbol' : Symbol(None, None, None, None, None),
+        'rootSymbol': Symbol(None, None, None, None, None),
         'names': {}  # full name for indexing -> docname
     }