fixed tox, update to included linters

tox.ini

@@ -4,12 +4,30 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py310
+envlist = py310, linters
+
+[flake8]
+max-line-length = 120
+
+[isort]
+profile=black
+line_length = 120
 
 [testenv]
 deps =
-    requests==2.28.1
     Jinja2==3.1.2
-    vcrpy
+    requests==2.28.1
+    vcrpy==4.2.1
 commands =
     python -m unittest discover tests
+
+[testenv:linters]
+deps =
+    black
+    flake8
+    flake8-black
+commands =
+    black --check --diff athletico
+    black --check --diff tests
+    flake8 athletico
+    flake8 tests