Fix review comments

Author: DrSergei

lldb/packages/Python/lldbsuite/test/tools/lldb-dap/dap_server.py

@@ -988,7 +988,7 @@ def request_writeMemory(self, memoryReference, data, offset=0, allowPartial=Fals
         return self._send_recv(command_dict)
 
     def request_evaluate(
-        self, expression, frameIndex=0, threadId=None, context=None, is_hex=None
+        self, expression, frameIndex=0, threadId=None, context=None, is_hex: bool = None
     ):
         stackFrame = self.get_stackFrame(frameIndex=frameIndex, threadId=threadId)
         if stackFrame is None:

lldb/tools/lldb-dap/Handler/EvaluateRequestHandler.cpp

@@ -84,9 +84,7 @@ EvaluateRequestHandler::Run(const EvaluateArguments &arguments) const {
   if (value.GetError().Fail())
     return ToError(value.GetError(), /*show_user=*/false);
 
-  bool hex = false;
-  if (arguments.format)
-    hex = arguments.format->hex;
+  const bool hex = arguments.format ? arguments.format->hex : false;
 
   VariableDescription desc(value, dap.configuration.enableAutoVariableSummaries,
                            hex);