Update app.py

updated the square brackets

app.py

@@ -21,12 +21,8 @@ examples = [[
     ['covid/covid_1038.png'], ['covid/covid_1034.png'], 
     ['covid/cd.png'], ['covid/covid_1021.png'], 
     ['covid/covid_1027.png'], ['covid/covid_1042.png'], 
-    ['covid/covid_1031.png']],
-    [['covid/covid_1038.png'], ['covid/covid_1034.png'], 
-    ['covid/cd.png'], ['covid/covid_1021.png'], 
-    ['covid/covid_1027.png'], ['covid/covid_1042.png'], 
     ['covid/covid_1031.png']]
-        ]
+  
 article="<p style='text-align: center'><a href='https://www.kaggle.com/datasets/anasmohammedtahir/covidqu' target='_blank'>COVID-QU-Ex Dataset</a></p>"
 interpretation='default'
 enable_queue=True