Update app.py

app.py

@@ -76,7 +76,7 @@ def quad(query,file):
         paragraph = f.read()
     questions = load_questions()
     questions_short = load_questions_short()
-    if (not len(paragraph)==0) and not (len(question)==0):
+    if (not len(paragraph)==0) and not (len(query)==0):
         print('getting predictions')
     predictions = run_prediction([query], paragraph, 'marshmellow77/roberta-base-cuad',n_best_size=5)
     answer = ""