style: removing metadata after using text-to-AMR

app.py

@@ -23,6 +23,7 @@ t2a = TextToAMR(model_name=amr_parsing_model_name)
 
 def run(text, source_style):
     source_amr, *_ = t2a([text])
+    source_amr.metadata = {}
     source_amr_display = penman.encode(source_amr)
     yield source_amr_display, "...", "...", "...", "..."