fix: typing after 3.13 rebase

Author: thearchitector

indico/http/serialization.py

@@ -14,7 +14,7 @@
 from indico.errors import IndicoDecodingError
 
 if TYPE_CHECKING:  # pragma: no cover
-    from typing import Any, Callable, Mapping, Optional
+    from typing import Any, Callable, Dict, Mapping, Optional, Tuple
 
     from aiohttp import ClientResponse
     from requests import Response
@@ -78,7 +78,7 @@ async def aio_deserialize(
         )
 
 
-def parse_header(header: str) -> tuple[str, dict[str, str]]:
+def parse_header(header: str) -> "Tuple[str, Dict[str, str]]":
     email = EmailMessage()
     email["Content-Type"] = header
     return email.get_content_type(), email["Content-Type"].params

tox.Dockerfile

@@ -1,12 +1,22 @@
 FROM ubuntu:20.04
 
+ENV DEBIAN_FRONTEND=noninteractive
 
-RUN DEBIAN_FRONTEND=noninteractive apt-get update && apt-get install -yqq apt-transport-https
+RUN apt-get update && apt-get install -yqq apt-transport-https
 
 #deadsnakes holds old versions of python for ubuntu
-RUN DEBIAN_FRONTEND=noninteractive apt-get install -yqq software-properties-common && add-apt-repository ppa:deadsnakes/ppa
+RUN apt-get install -yqq software-properties-common && \
+    add-apt-repository ppa:deadsnakes/ppa
 
-RUN  DEBIAN_FRONTEND=noninteractive apt-get -yqq install python3.9 python3.10 python3.11 python3.12 python3.13 python3-pip
+RUN apt-get update && \
+    apt-get -yqq install \
+        python3.8 \
+        python3.9 \
+        python3.10 \
+        python3.11 \
+        python3.12 \
+        python3.13 \
+        python3-pip
 
 RUN pip3 install tox==4.11.3
 

tox.ini

@@ -1,6 +1,6 @@
 # content of: tox.ini , put in same dir as setup.py
 [tox]
-envlist = py39,py310,py311,py312,py313
+envlist = py38,py39,py310,py311,py312,py313
 
 [testenv]
 extras = all