build: only support py3.8 from now on

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.6, 3.7, 3.8]
+        python-version: [3.8]
 
     steps:
     - uses: actions/checkout@v2
@@ -69,7 +69,7 @@ jobs:
 
     - name: SonarCloud Scan
       # Only executed for one of the tested python version
-      if: ${{ always() && matrix['python-version'] == 3.6 }}
+      if: ${{ always() && matrix['python-version'] == 3.8 }}
       uses: sonarsource/sonarcloud-github-action@master
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -11,7 +11,7 @@ configured with dictionaries (cf. `DataSource` class) and returning
 [Pandas DataFrames](https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.html).
 
 ## Setup
-In order to work you need `make` and `Python 3.6`, `3.7` or `3.8` (consider
+In order to work you need `make` and `Python 3.8` (consider
 running `pip install -U pip setuptools` if needed)
 You can then install:
 - the main dependencies by typing `pip install -e .`

pyproject.toml

@@ -1,4 +1,4 @@
 [tool.black]
 line-length = 100
-target-version = ['py36']
+target-version = ['py38']
 skip-string-normalization = true

setup.py

@@ -50,8 +50,6 @@
 classifiers = [
     'Intended Audience :: Developers',
     'License :: OSI Approved :: BSD License',
-    'Programming Language :: Python :: 3.6',
-    'Programming Language :: Python :: 3.7',
     'Programming Language :: Python :: 3.8',
 ]