Fixed issues with tests

debug.bat

@@ -2,3 +2,4 @@
 mypy serverjars
 flake8 serverjars
 pytest
+tox

pyproject.toml

@@ -1,3 +1,21 @@
 [build-system]
 requires = ["setuptools>=42.0", "wheel"]
 build-backend = "setuptools.build_meta"
+
+[tool.pytest.ini_options]
+addopts = "--cov=serverjars"
+testpaths = ["tests"]
+
+[tool.mypy]
+mypy_path = "serverjars"
+check_untyped_defs = true
+disallow_any_generics = true
+ignore_missing_imports = true
+no_implicit_optional = true
+show_error_codes = true
+strict_equality = true
+warn_redundant_casts = true
+warn_return_any = true
+warn_unreachable = true
+warn_unused_configs = true
+no_implicit_reexport = true

requirements_dev.txt

@@ -1,5 +1,5 @@
 flake8==3.9.2
-tox==3.24.3
+tox==4.15.1
 pytest==6.2.5
 pytest-cov==2.12.1
 mypy===0.910

tox.ini

@@ -1,14 +1,14 @@
 [tox]
 minversion = 3.8.0
-envlist = py36, py37, py38, py39, flake8, mypy
+envlist = py38, py39, py310, py311, flake8, mypy
 isolated_build = true
 
 [gh-actions]
 python =
-    3.6: py36, mypy, flake8
-    3.7: py37
-    3.8: py38
+    3.8: py38, mypy, flake8
     3.9: py39
+    3.10: py310
+    3.11: py311
 
 [testenv]
 setenv =
@@ -19,12 +19,12 @@ commands =
     pytest --basetemp={envtmpdir}
 
 [testenv:flake8]
-basepython = python3.6
+basepython = python3.8
 deps = flake8
-commands = flake8 geysermc tests
+commands = flake8 serverjars tests
 
 [testenv:mypy]
-basepython = python3.6
+basepython = python3.8
 deps =
     -r{toxinidir}/requirements_dev.txt
-commands = mypy geysermc
+commands = mypy serverjars