force upgrade of setuptools in travis

sphinx-doc/sphinx#6556 Signed-off-by: Doug Hellmann <doug@doughellmann.com>
dhellmann · Jun 5, 2020 · e7f95b6 · e7f95b6
1 parent 01ed496
commit e7f95b6
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -27,6 +27,7 @@ before_install:
 
 install:
   - pip install .[test] .[linter]
+  - pip install -U setuptools
 
 script:
   # Conditional builds (related to env passed)