From 9f8bed64bc1bc5a1bf1531e4868997b8c632835c Mon Sep 17 00:00:00 2001
From: Tony Bagnall <ajb@uea.ac.uk>
Date: Tue, 5 Nov 2024 20:19:03 +0000
Subject: [PATCH] _forecast

---
 aeon/forecasting/base.py | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/aeon/forecasting/base.py b/aeon/forecasting/base.py
index b7cd791613..023e9d6db7 100644
--- a/aeon/forecasting/base.py
+++ b/aeon/forecasting/base.py
@@ -109,7 +109,13 @@ def forecast(self, y, X=None):
             single prediction directly after the last point in X.
         """
         y = self._preprocess_series(y, axis=self.axis, store_metadata=False)
+        self.is_fitted = True
         return self._forecast(y, X)
 
-    @abstractmethod
-    def _forecast(self, y=None, exog=None): ...
+    def _forecast(self, y=None, exog=None):
+        """Forecast values for time series X.
+
+        NOTE: deal with horizons
+        """
+        self.fit(y, exog)
+        return self.predict(y, exog)