Update to python 3.9

.travis.yml

@@ -1,8 +1,8 @@
-dist: bionic
+dist: focal
 sudo: true
 language: python
 python:
-    - "3.7"
+    - "3.9"
 install:
   - pip install -r requirements.txt
   - pip install -r requirements-dev.txt

LICENSE.txt

@@ -1,4 +1,4 @@
-Copyright (c) 2020, Xavier Dupré, ...
+Copyright (c) 2020-2021, Xavier Dupré, ...
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

appveyor.yml

@@ -2,16 +2,16 @@ image:
   - Visual Studio 2019
 environment:
   matrix:
-    - PYTHON: "C:\\Python38-x64"
-      PYTHON_VERSION: "3.8.x"
+    - PYTHON: "C:\\Python39-x64"
+      PYTHON_VERSION: "3.9.x"
       PYTHON_ARCH: "64"
 init:
   - "ECHO %PYTHON% %PYTHON_VERSION% %PYTHON_ARCH%"
 
 install:
   - "%PYTHON%\\python -m pip install -r requirements.txt"
   - "%PYTHON%\\python -m pip install pymyinstall"
-  - "%PYTHON%\\Scripts\\pymy_install3 fiona gdal"
+  - "%PYTHON%\\Scripts\\pymy_install3 fiona gdal shapely cartopy"
   - "%PYTHON%\\python -m pip install -r requirements-dev.txt"
 build: off
 

azure-pipelines.yml

@@ -4,8 +4,8 @@ jobs:
     vmImage: 'ubuntu-latest'
   strategy:
     matrix:
-      Python37-Linux:
-        python.version: '3.7'
+      Python39-Linux:
+        python.version: '3.9'
     maxParallel: 3
 
   steps:
@@ -52,8 +52,8 @@ jobs:
     vmImage: 'macOS-latest'
   strategy:
     matrix:
-      Python37-Mac:
-        python.version: '3.7'
+      Python39-MacOs:
+        python.version: '3.9'
     maxParallel: 3
 
   steps: