Fix proper importing of subpackages

obsidian/__init__.py

@@ -1,7 +1,16 @@
 """obsidian: Automated experiment design and black-box optimization"""
 __version__ = '0.7.12'
 
+# Import key objects
 from obsidian.campaign import Campaign
 from obsidian.optimizer import BayesianOptimizer
 from obsidian.surrogates import SurrogateBoTorch
 from obsidian.parameters import ParamSpace, Target
+
+# Ensure that other subpackages are imported properly for documentation
+from obsidian.objectives import Objective
+from obsidian.experiment import ExpDesigner
+import obsidian.constraints as constraints
+import obsidian.exceptions as exceptions
+import obsidian.acquisition as acquisition
+import obsidian.plotting as plotting