(v3.8.4) - Fix Calibration of Normalization bug (#483)

* Fix normalization calibration initialization

* Update Sinergym version from 3.8.3 to 3.8.4

Author: AlejandroCN7

pyproject.toml

@@ -6,7 +6,7 @@
 package-mode = true
 name = "sinergym"
 
-version = "3.8.3"
+version = "3.8.4"
 description = "Sinergym provides a Gymnasium-based interface to interact with building simulations. This allows control in simulation time through custom controllers, including reinforcement learning agents"
 license = "MIT"
 

sinergym/utils/wrappers.py

@@ -286,9 +286,12 @@ def __init__(self,
             dtype=self.observation_space.dtype)
 
         # Set mean and variance
-        self.obs_rms.mean = self._process_metric(
-            mean, 'mean') or self.obs_rms.mean
-        self.obs_rms.var = self._process_metric(var, 'var') or self.obs_rms.var
+        processed_mean = self._process_metric(mean, 'mean')
+        processed_var = self._process_metric(var, 'var')
+        if processed_mean is not None:
+            self.obs_rms.mean = self._process_metric(mean, 'mean')
+        if processed_var is not None:
+            self.obs_rms.var = processed_var
 
         self.logger.info('Wrapper initialized.')
 

sinergym/version.txt

@@ -1 +1 @@
-3.8.3
+3.8.4