don't install lmxl when running '-nolxml' tests

in .travis/run.sh we call tox -e py-nolxml with the XML-related tests to verify that they work despite lxml not being installed (using ElementTree backend). If we install lxml in requirements.txt unconditionally, then we are not testing the absence of lxml...
2020-04-02 19:51:13 +01:00 · 2020-04-02 19:51:13 +01:00 · 9690282f21
commit 9690282f21
parent 111a1c199a
2 changed files with 1 additions and 1 deletions
--- a/requirements.txt
+++ b/requirements.txt
@ -7,4 +7,3 @@ scipy==1.4.1; platform_python_implementation != "PyPy"
 munkres==1.1.2; platform_python_implementation == "PyPy"
 zopfli==0.1.6
 fs==2.4.11
-lxml==4.5.0
--- a/tox.ini
+++ b/tox.ini
@ -10,6 +10,7 @@ deps =
    pytest
    pytest-randomly
    -rrequirements.txt
+    !nolxml: lxml==4.5.0
 extras =
    ufo
    woff