Drop 3.7 and 3.8 support

.gitlab-ci.yml

@@ -3,58 +3,6 @@
     - test
     - build
 
-  test py37:
-    stage: test
-    image: pcr.teskalabs.com/python:3.7
-    tags:
-    - amd64
-    - docker
-    script:
-      - apt-get update
-      - pip install --upgrade pip
-      - pip install -U git+https://github.com/TeskaLabs/asab
-      - pip install flake8
-      - pip install jinja2
-      - pip install reportlab==3.6.6  # Freeze reportlab version because of https://github.com/xhtml2pdf/xhtml2pdf/issues/589
-      - pip install xhtml2pdf
-      - pip install Markdown
-      - pip install Pillow
-      - pip install aiosmtplib
-      - pip install aiohttp
-      - pip install requests
-      - pip install temp
-      - pip install aiokafka
-      - pip install slack-sdk
-      - pip install sentry-sdk
-      - pip install pytz
-      - python3 -m unittest test
-
-
-  test py38:
-    stage: test
-    image: pcr.teskalabs.com/python:3.8
-    tags:
-    - amd64
-    - docker
-    script:
-      - apt-get update
-      - pip install --upgrade pip
-      - pip install -U git+https://github.com/TeskaLabs/asab
-      - pip install flake8
-      - pip install jinja2
-      - pip install aiosmtplib
-      - pip install Markdown
-      - pip install reportlab==3.6.6  # Freeze reportlab version because of https://github.com/xhtml2pdf/xhtml2pdf/issues/589
-      - pip install xhtml2pdf
-      - pip install Pillow
-      - pip install requests
-      - pip install aiohttp
-      - pip install temp
-      - pip install aiokafka
-      - pip install slack-sdk
-      - pip install sentry-sdk
-      - pip install pytz
-      - python3 -m unittest test
 
   test py39:
     stage: test