travis: pin coverage==3.7 to match version installed in Docker image

* Submission to coveralls.io previously failed because Travis installed the latest version of coverage. The last successful submission to coveralls.io was on 17 September 2015! An alternative solution would be to upgrade the coverage version installed in the Docker image. Signed-off-by: Graeme Watt <[email protected]>
HEPData · Mar 15, 2018 · a1356f3 · a1356f3
1 parent 60e96d6
commit a1356f3
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diff --git a/.gitignore b/.gitignore
@@ -52,6 +52,7 @@ coverage.xml
 
 # Sphinx documentation
 docs/_build/
+README.html
 
 # PyBuilder
 target/

diff --git a/.travis.yml b/.travis.yml
@@ -11,6 +11,7 @@ services:
 
 install:
   - sudo pip install --upgrade pip
+  - sudo pip install coverage==3.7
   - sudo pip install coveralls
 
 script: