Apply suggestion from @romanlutz

Co-authored-by: Roman Lutz <romanlutz13@gmail.com>

Author: fitzpr

pyrit/prompt_target/common/prompt_target.py

@@ -189,8 +189,7 @@ def output_modality_supported(self, modalities: "set[PromptDataType]") -> bool:
             bool: True if the exact combination is supported, False otherwise.
         """
         modality_frozenset = frozenset(modalities)
-        supported_modalities = self.SUPPORTED_OUTPUT_MODALITIES  # Works with both class attr and property
-        return modality_frozenset in supported_modalities
+        return modality_frozenset in self.SUPPORTED_OUTPUT_MODALITIES 
 
     def supports_multimodal_input(self) -> bool:
         """