Merge branch 'dev' of github.com:MushroomRL/mushroom-rl into dev

MushroomRL · Jun 11, 2023 · c161356 · c161356
2 parents 71488a6 + 0fdeca2
commit c161356
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/mushroom_rl/features/basis/polynomial.py b/mushroom_rl/features/basis/polynomial.py
@@ -37,6 +37,8 @@ def __init__(self, dimensions=None, degrees=None, low=None, high=None):
         if low is not None:
             self._mean = (low + high) / 2
             self._delta = (high - low) / 2
+        else:
+            self._mean = None
 
     def __call__(self, x):
 
@@ -53,6 +55,7 @@ def __call__(self, x):
     def _normalize(self, x):
         if self._mean is not None:
             return (x - self._mean) / self._delta
+        return x
 
     def __str__(self):
         if self._deg is None:

diff --git a/mushroom_rl/policy/noise_policy.py b/mushroom_rl/policy/noise_policy.py
@@ -114,7 +114,6 @@ def __init__(self, mu, sigma, low, high):
         self._add_save_attr(
             _approximator='mushroom',
             _predict_params='pickle',
-            _inv_sigma='numpy',
             _sigma='numpy',
             _low='numpy',
             _high='numpy'