Drop support for curio

Author: ianthomas23

pyproject.toml

@@ -65,7 +65,6 @@ cov = [
   "coverage[toml]",
   "pytest-cov",
   "matplotlib",
-  "curio",
   "trio",
 ]
 pyqt5 = ["pyqt5"]

tests/test_async.py

@@ -27,7 +27,7 @@ def test_async_await():
     assert content["status"] == "ok", content
 
 
-@pytest.mark.parametrize("asynclib", ["asyncio", "trio", "curio"])
+@pytest.mark.parametrize("asynclib", ["asyncio", "trio"])
 def test_async_interrupt(asynclib, request):
     assert KC is not None
     assert KM is not None