use tabulate instead

app.py

@@ -1,5 +1,5 @@
 import gradio as gr
-import prettytable
+import tabulate
 
 
 description = """
@@ -94,12 +94,7 @@ def render_table(forms, lemmas, upos, xpos, feats, metadata, edges, edge_labels)
         *([""] + list(row) for row in feats[1:])
     ]
 
-    table = prettytable.PrettyTable()
-    table.field_names = array[0]
-    for row in array[1:]:
-        table.add_row(row)
-    
-    return table.get_html_string()
+    return tabulate.tabulate(array, tablefmt="html")
 
 
 with gr.Blocks(theme='sudeepshouche/minimalist') as demo:

requirements.txt

@@ -1 +1 @@
-prettytable
+tabulate