Update app.py

app.py

@@ -22,7 +22,7 @@ def greet(name):
 	X = pd.DataFrame()
 	for i in range(8):
 		# Get, rename column and rescalef
-		target_date = datetime.today() - timedelta(days=i)
+		target_date = datetime.today() + timedelta(days=i)
 		target_date = target_date.strftime('%Y-%m-%d')
 		json = get_weather_by_date(target_date)
 		X = X.append(json['days'][0], ignore_index=True)