Update app_v1.py

app_v1.py

@@ -258,7 +258,7 @@ def pre_process_text(text):
 #    sentences = pre_process_text(text)
 #    return textstat.flesch_kincaid_grade(sentences)
 
-def automated_readability_index():
+def automated_readability_index(text):
     sentences = pre_process_text(text)
     return textstat.automated_readability_index(sentences)