Unpin test dependencies.

Closes #282.

.travis.yml

@@ -1,5 +1,6 @@
 sudo: false
 
+dist: bionic
 language: python
 
 python:
@@ -10,9 +11,10 @@ python:
 
 env:
 - TWISTED="twisted"
-- TWISTED="twisted==18.7.0"
+- TWISTED="twisted==20.3.0"
 
 install:
+  - pip install -U pytest  # Travis comes with an old version pre-installed.
   - pip install $TWISTED -e .[tests]
   - pip freeze
 

CHANGELOG.txt

@@ -1,3 +1,10 @@
+Unreleased
+----------
+
+* Updated twisted requirement to 20.3 or later.
+* Updated Autobahn dependency to 20.4 or later.
+
+
 2.5.0 (2020-04-15)
 ------------------
 

setup.py

@@ -22,10 +22,10 @@ setup(
     package_dir={"twisted": "daphne/twisted"},
     packages=find_packages() + ["twisted.plugins"],
     include_package_data=True,
-    install_requires=["twisted[tls]>=18.7", "autobahn>=0.18", "asgiref~=3.2"],
+    install_requires=["twisted[tls]>=20.3", "autobahn>=20.4", "asgiref~=3.2"],
     setup_requires=["pytest-runner"],
     extras_require={
-        "tests": ["hypothesis==4.23", "pytest~=3.10", "pytest-asyncio~=0.8"]
+        "tests": ["hypothesis", "pytest", "pytest-asyncio"]
     },
     entry_points={
         "console_scripts": ["daphne = daphne.cli:CommandLineInterface.entrypoint"]