python 3.7+

Makefile

@@ -10,4 +10,7 @@ pub: build
 install:
 	pip install -e .[dev,pub]
 
-.PHONY: build clean pub install
+test-api:
+	docker run --rm -ti -p 4999:4999 python:3.7-slim bash -c "pip install announce_server==0.0.2rc2; pip install 'python-socketsio[asyncio_client]==5.0'; announce_server start_registry"
+
+.PHONY: build clean pub install test-api

setup.cfg

@@ -12,7 +12,6 @@ classifiers =
     Intended Audience :: Developers
     License :: OSI Approved :: MIT License
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.6
     Programming Language :: Python :: 3.7
     Programming Language :: Python :: 3.8
     Programming Language :: Python :: 3.9
@@ -24,7 +23,7 @@ package_dir =
     = src
 packages = find:
 install_requires =
-    python-socketio[asyncio_client]
+    python-socketio[asyncio_client]~=5.0.0
 
 [options.packages.find]
 where = src

setup.py

@@ -7,5 +7,5 @@ setup(
         "setuptools_scm",
     ],
     use_scm_version=True,
-    python_requires=">=3.6",
+    python_requires=">=3.7",  # because of python-socketsio[asyncio_client]
 )