remove py36,37 from tox environments

Signed-off-by: Marques Johansson <[email protected]>

Author: displague

tox.ini

@@ -2,7 +2,7 @@
 
 [tox]
 
-envlist = py27,py36,py37,py38,py39,py310
+envlist = py27,py38,py39,py310
 skip_missing_interpreters=True
 
 [tool:pytest]
@@ -12,8 +12,6 @@ testpaths = test
 [gh-actions]
 python =
     2.7: py27
-    3.6: py36
-    3.7: py37
     3.8: py38
     3.9: py39
     3.10: py310, mypy