Check for emptiness

app.py

@@ -11,7 +11,7 @@ if(col2.button("Generate!")):
     text_ar = text_ar.replace("\n", " ")
     text_ar = text_ar.split('.')
     for text in text_ar :
-        if text.isspace() :
+        if text.isspace() or len(text) == 0:
             continue
         pairs = creator(text)
         for pair in pairs: