Stopped testing on Python 3.6 and 3.7.

Author: felixxm

.travis.yml

@@ -2,7 +2,7 @@ sudo: required
 dist: xenial
 services:
 - docker
-python: 3.6
+python: 3.8
 language: python
 cache: pip
 
@@ -12,84 +12,49 @@ env:
 - COMPOSE_APP=docs
 
 # Quick Runs. Lowest supported database and Python version.
-- COMPOSE_APP=sqlite PYTHON_VERSION=3.6
-- COMPOSE_APP=sqlite-gis PYTHON_VERSION=3.6
-- COMPOSE_APP=postgres PYTHON_VERSION=3.6 POSTGRES_VERSION=10
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.6 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
-- COMPOSE_APP=mysql PYTHON_VERSION=3.6 MYSQL_VERSION=5.7
-- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.6 MYSQL_VERSION=5.7
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.6 MARIADB_VERSION=10.2
+- COMPOSE_APP=sqlite PYTHON_VERSION=3.8
+- COMPOSE_APP=sqlite-gis PYTHON_VERSION=3.8
+- COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=10
+- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
+- COMPOSE_APP=mysql PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
+- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
+- COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.2
 
 # Sqlite
-- COMPOSE_APP=sqlite PYTHON_VERSION=3.7
 - COMPOSE_APP=sqlite PYTHON_VERSION=3.8
 
 # Sqlite gis:
-- COMPOSE_APP=sqlite-gis PYTHON_VERSION=3.7
 - COMPOSE_APP=sqlite-gis PYTHON_VERSION=3.8
 
 # Postgres:
-- COMPOSE_APP=postgres PYTHON_VERSION=3.6 POSTGRES_VERSION=10
-- COMPOSE_APP=postgres PYTHON_VERSION=3.6 POSTGRES_VERSION=11
-
-- COMPOSE_APP=postgres PYTHON_VERSION=3.7 POSTGRES_VERSION=10
-- COMPOSE_APP=postgres PYTHON_VERSION=3.7 POSTGRES_VERSION=11
-
 - COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=10
 - COMPOSE_APP=postgres PYTHON_VERSION=3.8 POSTGRES_VERSION=11
 
 # Postgres gis:
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.6 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.6 POSTGRES_VERSION=11 POSTGIS_VERSION=2.5
-
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.7 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
-- COMPOSE_APP=postgres-gis PYTHON_VERSION=3.7 POSTGRES_VERSION=11 POSTGIS_VERSION=2.5
-
 - COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=10 POSTGIS_VERSION=2.4
 - COMPOSE_APP=postgres-gis PYTHON_VERSION=3.8 POSTGRES_VERSION=11 POSTGIS_VERSION=2.5
 
 # MySQL:
-- COMPOSE_APP=mysql PYTHON_VERSION=3.6 MYSQL_VERSION=5.7
-- COMPOSE_APP=mysql PYTHON_VERSION=3.6 MYSQL_VERSION=8.0
-
-- COMPOSE_APP=mysql PYTHON_VERSION=3.7 MYSQL_VERSION=5.7
-- COMPOSE_APP=mysql PYTHON_VERSION=3.7 MYSQL_VERSION=8.0
-
 - COMPOSE_APP=mysql PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
 - COMPOSE_APP=mysql PYTHON_VERSION=3.8 MYSQL_VERSION=8.0
 
 # MySQL gis:
-- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.6 MYSQL_VERSION=5.7
-- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.6 MYSQL_VERSION=8.0
-
-- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.7 MYSQL_VERSION=5.7
-- COMPOSE_APP=mysql-gis PYTHON_VERSION=3.7 MYSQL_VERSION=8.0
-
 - COMPOSE_APP=mysql-gis PYTHON_VERSION=3.8 MYSQL_VERSION=5.7
 - COMPOSE_APP=mysql-gis PYTHON_VERSION=3.8 MYSQL_VERSION=8.0
 
 # MariaDB:
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.6 MARIADB_VERSION=10.3
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.6 MARIADB_VERSION=10.4
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.6 MARIADB_VERSION=10.5
-
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.7 MARIADB_VERSION=10.2
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.7 MARIADB_VERSION=10.3
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.7 MARIADB_VERSION=10.4
-- COMPOSE_APP=mariadb PYTHON_VERSION=3.7 MARIADB_VERSION=10.5
-
 - COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.2
 - COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.3
 - COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.4
 - COMPOSE_APP=mariadb PYTHON_VERSION=3.8 MARIADB_VERSION=10.5
 
 # Browsers:
-- COMPOSE_APP=chrome PYTHON_VERSION=3.6
-- COMPOSE_APP=firefox PYTHON_VERSION=3.6
+- COMPOSE_APP=chrome PYTHON_VERSION=3.8
+- COMPOSE_APP=firefox PYTHON_VERSION=3.8
 
 matrix:
   allow_failures:
-    - env: COMPOSE_APP=firefox PYTHON_VERSION=3.6
+    - env: COMPOSE_APP=firefox PYTHON_VERSION=3.8
 
 before_install:
   - echo 'DOCKER_OPTS="${DOCKER_OPTS} --registry-mirror=https://mirror.gcr.io"' | sudo tee -a /etc/default/docker