Update app.py

app.py

@@ -20,7 +20,7 @@ def preprocess_text(text: str) -> typing.List[typing.List[str]]:
             processed_words = fix_words(words)
             processed_sentences.append(processed_words)
 
-        return  " ".join(processed_sentences)
+        return  processed_sentences
     
 def fix_words(words: typing.List[str]) -> typing.List[str]:
         fixed_words = []
@@ -39,5 +39,5 @@ def fix_words(words: typing.List[str]) -> typing.List[str]:
 def greet(name):
     return name
 
-iface = gr.Interface(fn=preprocess_text, inputs="text", outputs="text")
+iface = gr.Interface(fn=" ".join(preprocess_text), inputs="text", outputs="text")
 iface.launch()