modules/cmake: Use the noPosargs helper

mesonbuild/modules/cmake.py

@@ -18,7 +18,7 @@ import shutil
 from . import ExtensionModule, ModuleReturnValue
 
 from .. import build, dependencies, mesonlib, mlog
-from ..interpreterbase import permittedKwargs, FeatureNew, stringArgs, InterpreterObject, ObjectHolder
+from ..interpreterbase import permittedKwargs, FeatureNew, stringArgs, InterpreterObject, ObjectHolder, noPosargs
 from ..interpreter import ConfigurationDataHolder, InterpreterException, SubprojectHolder
 
 
@@ -105,10 +105,9 @@ class CMakeSubprojectHolder(InterpreterObject, ObjectHolder):
         info = self._args_to_info(args)
         return info['func']
 
+    @noPosargs
     @permittedKwargs({})
     def target_list(self, args, kwargs):
-        if len(args) > 0:
-            raise InterpreterException('target_list does not take any parameters.')
         return self.held_object.cm_interpreter.target_list()
 
 class CmakeModule(ExtensionModule):