Update .travis.yml

Author: IgnisDa

.travis.yml

@@ -15,8 +15,7 @@ script:
   - tox
   - make -C docs/ html
   - touch docs/_build/html/.nojekyll
-  - if [[ ${$TRAVIS_PYTHON_VERSION} == "3.8.5" ]]; then coverage run --source mdgen -m pytest;
-  - coverage report -m
+  - if [[ ${TRAVIS_PYTHON_VERSION} == "3.8.5" ]]; then coverage run --source mdgen -m pytest && coverage report -m; fi
 
 after_success:
   - coveralls