disable lint on pypy build due to type-ast dependency

Author: belm0

.travis.yml

@@ -4,25 +4,31 @@ dist: focal
 git:
   depth: 1
 
+env:
+  global:
+    - REQUIREMENTS=requirements-dev.txt
+    - LINT="make lint"
+
 jobs:
   include:
     - python: 3.6
     - python: 3.7
     - python: 3.8
     - python: 3.9
     - python: pypy3
+      env: REQUIREMENTS=requirements-min.txt LINT=""
     - name: "latest deps"
       python: 3.9
       env: UPGRADE="pip install --upgrade trio wsproto"
 
 install:
-  - pip install -r requirements-dev.txt
+  - pip install -r $REQUIREMENTS
   - $UPGRADE
   - pip install -e .
 
 script:
   - make test
-  - make lint
+  - $LINT
 
 after_success:
   - make coverage

requirements-min.txt

@@ -0,0 +1,122 @@
+#
+# This file is autogenerated by pip-compile with python 3.6
+# To update, run:
+#
+#    pip-compile --output-file=requirements-dev.txt requirements-dev.in setup.py
+#
+async-generator==1.10
+    # via
+    #   pytest-trio
+    #   trio
+    #   trio-websocket (setup.py)
+attrs==21.4.0
+    # via
+    #   -r requirements-dev.in
+    #   outcome
+    #   pytest
+    #   trio
+certifi==2021.10.8
+    # via requests
+cffi==1.15.0
+    # via cryptography
+charset-normalizer==2.0.10
+    # via requests
+click==8.0.3
+    # via pip-tools
+contextvars==2.4
+    # via
+    #   sniffio
+    #   trio
+coverage[toml]==6.2
+    # via
+    #   coveralls
+    #   pytest-cov
+coveralls==3.3.1
+    # via -r requirements-dev.in
+cryptography==3.3.2
+    # via trustme
+dataclasses==0.8
+    # via wsproto
+docopt==0.6.2
+    # via coveralls
+h11==0.12.0
+    # via wsproto
+idna==3.3
+    # via
+    #   requests
+    #   trio
+    #   trustme
+immutables==0.16
+    # via contextvars
+importlib-metadata==4.8.3
+    # via
+    #   click
+    #   pep517
+    #   pluggy
+    #   pytest
+iniconfig==1.1.1
+    # via pytest
+outcome==1.1.0
+    # via
+    #   pytest-trio
+    #   trio
+packaging==21.3
+    # via pytest
+pep517==0.12.0
+    # via pip-tools
+pip-tools==6.4.0
+    # via -r requirements-dev.in
+pluggy==1.0.0
+    # via pytest
+py==1.11.0
+    # via pytest
+pycparser==2.21
+    # via cffi
+pyparsing==3.0.6
+    # via packaging
+pytest==6.2.5
+    # via
+    #   -r requirements-dev.in
+    #   pytest-cov
+    #   pytest-trio
+pytest-cov==3.0.0
+    # via -r requirements-dev.in
+pytest-trio==0.7.0
+    # via -r requirements-dev.in
+requests==2.27.1
+    # via coveralls
+sniffio==1.2.0
+    # via trio
+sortedcontainers==2.4.0
+    # via trio
+toml==0.10.2
+    # via pytest
+tomli==1.2.3
+    # via
+    #   coverage
+    #   pep517
+trio==0.19.0
+    # via
+    #   -r requirements-dev.in
+    #   pytest-trio
+    #   trio-websocket (setup.py)
+trustme==0.9.0
+    # via -r requirements-dev.in
+typing-extensions==4.0.1
+    # via
+    #   immutables
+    #   importlib-metadata
+urllib3==1.26.8
+    # via requests
+wheel==0.37.1
+    # via pip-tools
+wsproto==0.15.0
+    # via trio-websocket (setup.py)
+zipp==3.6.0
+    # via
+    #   importlib-metadata
+    #   pep517
+
+# The following packages are considered to be unsafe in a requirements file:
+# pip
+# setuptools