Exception if the input string is empty: FIXED

app.py

@@ -120,6 +120,9 @@ def split_up_references(
 
 def text_analysis(text, is_eol_mode):
 
+    if not text:
+        return "<div style='max-width:100%; max-height:720px; overflow:auto; color:grey'><p>Unparsed Bibliography Section is empty</p></div>"
+
     html = ""
 
     doc_with_linebreaks = split_up_references(
@@ -132,7 +135,7 @@ def text_analysis(text, is_eol_mode):
         html += displacy.render(bib_item_doc, style="ent")
 
     html = (
-        "<div style='max-width:100%; max-height:360px; overflow:auto'>"
+        "<div style='max-width:100%; max-height:720px; overflow:auto'>"
         + html
         + "</div>"
     )
@@ -145,13 +148,13 @@ with demo:
 
     textbox = gr.components.Textbox(
         label="Unparsed Bibliography Section",
-        placeholder="Enter bibliography here...",
+        placeholder="Enter bibliography here... It will be splitted up into separate references.",
         lines=20,
     )
     is_eol_mode = gr.components.Checkbox(
-        label="a line does not contain more than one bibitem (Multiline bibitems are supported regardless of this choice)"
+        label="My Unparsed Bibliography does not contain more than one reference per line (Multiline references are supported regardless of this choice)"
     )
-    html = gr.components.HTML(label="Parsed Bib Items")
+    html = gr.components.HTML(label="Parsed Bibliography Section: list of references")
     textbox.change(fn=text_analysis, inputs=[textbox, is_eol_mode], outputs=[html])
     is_eol_mode.change(fn=text_analysis, inputs=[textbox, is_eol_mode], outputs=[html])