travis deploy: no sdist conflict

penguinolog · penguinolog · commit 2bfedb406e63 · 2018-11-28T11:22:08.000+01:00
(cherry picked from commit 3feec6f) Signed-off-by: Alexey Stepanov <penguinolog@gmail.com>
diff --git a/.travis.yml b/.travis.yml
@@ -135,6 +135,7 @@ jobs:
         tags: true
         distributions: sdist
       skip_upload_docs: true
+      skip_existing: true
 
 cache: pip
 before_cache:
