v1.1 release fix

app.py

@@ -138,7 +138,7 @@ def train_test(dataframe):
 def test_fitting(dataframe, Exo, trainY):
     trainTestModel = auto_arima(X = Exo, y = trainY, start_p=1, start_q=1,
                            test='adf',min_p=1,min_q=1,
-                           max_p=3, max_q=3, m=12,
+                           max_p=4, max_q=4, m=12,
                            start_P=0, seasonal=True,
                            d=None, D=1, trace=True,
                            error_action='ignore',