Update app.py

app.py

@@ -53,8 +53,12 @@ def BuildAnswer(txt):
         8: "Statistics"
     }
 
-    model, tokenizer, model_emb = GetModelAndTokenizer()
+    txt = txt.strip()
+    if txt == '':
+        return ''
     
+    model, tokenizer, model_emb = GetModelAndTokenizer()
+
     embed = get_word_vector(txt, tokenizer, model_emb)
     logits = torch.nn.functional.softmax(model(embed), dim=0)
     best_tags = torch.argsort(logits, descending=True)
@@ -77,7 +81,7 @@ st.markdown("<img width=200px src='https://rozetked.me/images/uploads/dwoilp3BVj
 # ^-- можно показывать пользователю текст, картинки, ограниченное подмножество html - всё как в jupyter
 
 title = st.text_area("Title:")
-abstract = st.text_area("Abstract:", height=10)
+abstract = st.text_area("Abstract:", height=100)
 
 #from transformers import pipeline
 #pipe = pipeline("ner", "Davlan/distilbert-base-multilingual-cased-ner-hrl")