Rework how the plugin_version is checked.

volatility/framework/plugins/windows/strings.py

@@ -36,6 +36,7 @@ class Strings(interfaces.plugins.PluginInterface):
     @classmethod
     def get_requirements(cls) -> List[interfaces.configuration.RequirementInterface]:
         return [
+            requirements.PluginRequirement(name = 'pslist', plugin = pslist.PsList, version = (1, 0, 0)),
             requirements.TranslationLayerRequirement(
                 name = 'primary', description = 'Memory layer for the kernel', architectures = ["Intel32", "Intel64"]),
             requirements.SymbolTableRequirement(name = "nt_symbols", description = "Windows kernel symbols"),
@@ -44,8 +45,6 @@ class Strings(interfaces.plugins.PluginInterface):
         # TODO: Make URLRequirement that can accept a file address which the framework can open
 
     def run(self):
-        self.check_plugin_version(pslist.PsList, (1, 0, 0))
-
         return renderers.TreeGrid([("String", str), ("Physical Address", format_hints.Hex), ("Result", str)],
                                   self._generator())