Fix CI for python 3.8 (#243)

* Fix CI for python 3.8

* Update version

pyproject.toml

@@ -64,7 +64,7 @@ homepage = "https://eclecticsheep.ai"
 repository = "https://github.com/Eclectic-Sheep/sheeprl"
 
 [project.optional-dependencies]
-test = ["pytest==7.3.1", "pytest-timeout==2.1.0", "pytest-coverage"]
+test = ["pytest==7.3.1", "pytest-timeout==2.1.0", "pytest-coverage", "importlib_resources>=6.2.0"]
 dev = [
   "pre-commit==3.5.0",
   "mypy==1.2.0",

sheeprl/__init__.py

@@ -52,7 +52,7 @@
 np.int = np.int64
 np.bool = bool
 
-__version__ = "0.5.4"
+__version__ = "0.5.5.dev0"
 
 
 # Replace `moviepy.decorators.use_clip_fps_by_default` method to work with python 3.8, 3.9, and 3.10

sheeprl/algos/a2c/agent.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 from typing import Any, Dict, List, Optional, Sequence, Tuple
 
 import gymnasium

sheeprl/algos/sac_ae/agent.py

@@ -1,3 +1,5 @@
+from __future__ import annotations
+
 import copy
 from math import prod
 from typing import Any, Dict, List, Optional, Sequence, SupportsFloat, Tuple, Union