update pre-commit python version

.isort.cfg

@@ -9,4 +9,4 @@ line_length=79
 known_odoo=odoo
 known_odoo_addons=odoo.addons
 sections=FUTURE,STDLIB,THIRDPARTY,ODOO,ODOO_ADDONS,FIRSTPARTY,LOCALFOLDER
-known_third_party=addons,cStringIO,openerp,requests,werkzeug,xlsxwriter
+known_third_party=addons,cStringIO,openerp,requests,setuptools,werkzeug,xlsxwriter

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 exclude: "^setup/|/static/lib/|/static/src/lib/"
 default_language_version:
-  python: python3
+  python: python3.5
 repos:
 - repo: https://github.com/psf/black
   rev: 19.3b0