Fix Travis CI Build Process (#77)

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,9 +1,9 @@
 ## Description:
-**Related issue (if applicable):** fixes #<!--apprise issue number goes here-->
+**Related issue (if applicable):** refs #<!--apprise issue number goes here-->
 
 ## Checklist
 <!-- The following must be completed or your PR can't be merged -->
 * [ ] The code change is tested and works locally.
 * [ ] There is no commented out code in this PR.
 * [ ] No lint errors (use `flake8`)
-* [ ] tests added
+* [ ] Tests added

.travis.yml

@@ -1,13 +1,11 @@
 language: python
 
-dist: xenial
+dist: focal
 
 matrix:
   include:
-    - python: "3.7"
-      env: TOXENV=py37
-    - python: "3.8"
-      env: TOXENV=py38
+    - python: "3.10"
+      env: TOXENV=py310
 
 install:
   - pip install codecov

Dockerfile

@@ -1,5 +1,5 @@
 ARG ARCH
-FROM ${ARCH}python:3.8-slim
+FROM ${ARCH}python:3.10-slim
 
 # set version label
 ARG BUILD_DATE

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py37,py38,coverage-report
+envlist = py310,coverage-report
 skipsdist = true
 
 [testenv]
@@ -14,15 +14,7 @@ commands =
     coverage run --parallel -m pytest {posargs} apprise_api
     flake8 apprise_api --count --show-source --statistics
 
-[testenv:py37]
-deps=
-   -r{toxinidir}/requirements.txt
-   -r{toxinidir}/dev-requirements.txt
-commands =
-    coverage run --parallel -m pytest {posargs} apprise_api
-    flake8 apprise_api --count --show-source --statistics
-
-[testenv:py38]
+[testenv:py310]
 deps=
    -r{toxinidir}/requirements.txt
    -r{toxinidir}/dev-requirements.txt