examples/environment.yml

 name: wumpus
 channels:
   - conda-forge
+  - nodefaults
 dependencies:
-  - python>=3.6
-  - gym
+  - python>=3.8
+  - gym<=0.22
   - pip
   - pip:
-    - wumpus[gym] @ git+https://gitlab.inf.unibz.it/tessaris/wumpus.git
+    - wumpus @ https://gitlab.inf.unibz.it/tessaris/wumpus/-/archive/dev/wumpus-dev.zip
\ No newline at end of file

setup.cfg

 [metadata]
 name = wumpus
 version = attr:wumpus.__version__
-description = My package description
+description = This package implements a Python version of the Hunt the Wumpus game as described in the book Artificial Intelligence: A Modern Approach by Russell and Norvig.
 long_description = file: README.md
 license = MIT
 author = Sergio Tessaris
@@ -11,11 +11,10 @@ author_email = tessaris@inf.unibz.it
 zip_safe = False
 include_package_data = True
 packages = find:
-python_requires = >=3.7
+python_requires = >=3.8
+install_requires =
+    gym < 0.24
 
 [options.entry_points]
 console_scripts =
   gridrunner = wumpus.cli:main
-
-[options.extras_require]
-gym = gym

wumpus/__init__.py

@@ -3,4 +3,4 @@ from .player import OfflinePlayer, OnlinePlayer, UserPlayer, RandomPlayer
 from .wumpus import WumpusWorld, Hunter, Wumpus, Pit, Gold, Exit
 from .runner import run_episode
 
-__version__ = '1.0.1'
+__version__ = '1.1.0'