Fix gr.HTML outputs

ubee/__main__.py

@@ -114,14 +114,9 @@ def ifn(text1, text2, thresh):
     # return out_df, pd.DataFrame(res1_, columns=["text1", "text2", "likelihood"]), _
 
     df = pd.DataFrame(res1_, columns=["text1", "text2", "likelihood"])
-    if df:
-        html1 = (df.to_html(),)
-    else:
-        html1 = ""
-    if _:
-        html2 = _.to_html()
-    else:
-        html2 = ""
+    html1 = df.to_html() if df is not None else df
+
+    html2 = _.to_html() if _ is not None else _
 
     return html1, html2