drop support for python 3.5

python version 3.5 has reach end of life

Author: Joffrey MANDER

.drone.jsonnet

@@ -35,7 +35,6 @@ local Pipeline(py_version) = {
       },
     ],
   },
-  Pipeline("3.5"),
   Pipeline("3.6"),
   Pipeline("3.7"),
   Pipeline("3.8"),
@@ -47,7 +46,6 @@ local Pipeline(py_version) = {
       status: ['success'],
     },
     depends_on: [
-      "tests (Python 3.5)",
       "tests (Python 3.6)",
       "tests (Python 3.7)",
       "tests (Python 3.8)",

setup.cfg

@@ -2,7 +2,7 @@
 universal=1
 
 [mypy]
-python_version = 3.5
+python_version = 3.6
 
 # Dynamic typing
 disallow_subclassing_any = True

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py35, py36, py37, py38
+envlist = py36, py37, py38
 
 [testenv]
 commands = pytest {posargs}