make linting workflow reflect what is done locally (Makefile).

.github/workflows/linting.yml

@@ -1,25 +1,33 @@
-name: Run Linters
+name: Linters
 
-on: [push, pull_request]
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
 
 jobs:
-  mypy:
+  black:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v1
-      - name: Run MyPy python type checker
-        uses: jpetrucciani/mypy-check@master
-        with:
-          path: 'lnbits'
-
+      - uses: actions/checkout@v2
+      - run: sudo apt-get install python3-venv
+      - run: python3 -m venv venv
+      - run: ./venv/bin/pip install black
+      - run: make checkblack
   prettier:
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
-        uses: actions/checkout@v1
-      - name: Check JS code formatting convention
-        uses: creyD/prettier_action@v2.2
-        with:
-          dry: True
-          prettier_options: --write lnbits/static/js/** lnbits/core/static/js/** lnbits/extensions/*/templates/**
+      - uses: actions/checkout@v2
+      - run: npm install
+      - run: make checkprettier
+  mypy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - run: sudo apt-get install python3-venv
+      - run: sudo apt-get install libev-dev
+      - run: python3 -m venv venv
+      - run: ./venv/bin/pip install -r requirements.txt
+      - run: ./venv/bin/pip install mypy
+      - run: make mypy

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.8]
 
     steps:
       - uses: actions/checkout@v2