Fix CI & cleanup files

* Fix CI build error.
* Remove old CI files.

Author: greyli

.github/workflows/ci.yml

@@ -40,7 +40,7 @@ jobs:
       - name: Prepare tox
         run: |
           V=${{ matrix.python-version }}
-          echo TOX_PYTHON=py"$(echo $V | tr -d.)" >>"$GITHUB_ENV"
+          echo TOX_PYTHON=py"$(echo $V | tr -d '.')" >>"$GITHUB_ENV"
 
       - run: >
           uvx --with=tox-uv

.travis.yml

@@ -1,7 +1,7 @@
 Asset management application for Python web development - use it to
 merge and compress your JavaScript and CSS files.
 
-Documentation: |travis|
+Documentation: |ci|
         https://webassets.readthedocs.io/
 
         Since releases aren't exactly happening on a regular schedule, you are
@@ -17,10 +17,10 @@ Development:
         For development, to run all the tests, you need to have at least Java 7
         installed (required for example to run the `Google closure`_ filter).
 
-        1. Install Python requirements (preferable in a virtual env)::
+        1. Install Python requirements with uv::
 
-                   $ pip install -r requirements-dev.pip
-                   $ pip install -r requirements-dev-2.x.pip
+                   $ uv venv
+                   $ uv pip install -r uv.lock
 
         2. Install other requirements::
 
@@ -34,5 +34,5 @@ __ http://github.com/miracle2k/webassets/tarball/master#egg=webassets-dev
 
 .. _`Google closure`: https://github.com/google/closure-compiler/wiki/FAQ#the-compiler-crashes-with-unsupportedclassversionerror-or-unsupported-majorminor-version-510
 
-.. |travis| image:: https://secure.travis-ci.org/miracle2k/webassets.png?branch=master
-        :target: http://travis-ci.org/miracle2k/webassets
+.. |ci| image:: https://github.com/miracle2k/webassets/actions/workflows/ci.yml/badge.svg
+       :target: https://github.com/miracle2k/webassets/actions/workflows/ci.yml

README.rst

@@ -16,4 +16,5 @@ uv_python_preference = managed
 deps =
     pytest
 commands =
+    python -c "import lib2to3"
     pytest {tty:--color=yes} {posargs}