Try fix py3.7

.github/workflows/main.yml

@@ -12,15 +12,11 @@ jobs:
         strategy:
             matrix:
                 # https://www.python.org/downloads/
-                python-version: ["pypy-3.7", "pypy-3.8", "pypy-3.9"]
+                python-version: ["pypy-3.8", "pypy-3.9"]
         name: ${{ matrix.python-version }}
         steps:
             - uses: actions/checkout@v2
 
-            - name: Install additional dependencies for pypy-3.7
-              if: ${{ matrix.python-version }} == "pypy-3.7"
-              run: sudo apt-get update && sudo apt-get install -y gcc
-
             - name: Setup python
               uses: actions/setup-python@v3
               with:

README.md

@@ -37,7 +37,7 @@
 
 ## Future ideas and todos
 
-- Introduce Python 3.7 and Python 3.10 to test matrix
+- Introduce Python 3.10 to test matrix
 - Embed flake8 config into `pyproject.toml` once they support it ([see](https://github.com/PyCQA/flake8/issues/234))
 
 ## Licensing