ci: rewrite travis.yml because of travis-ci/travis-ci#1066 (comment)

.travis.yml

@@ -7,11 +7,11 @@ notifications:
   email: false
 env:
   matrix:
-  - NUMPY="==1.11" TEST="PYTEST"
-  - NUMPY="==1.12" TEST="PYTEST"
-  - NUMPY="==1.13" TEST="PYTEST"
-  - NUMPY="==1.14" TEST="PYTEST"
-  - NUMPY=">=1.14" TEST="PYTEST"
+  - NUMPY="==1.11"
+  - NUMPY="==1.12"
+  - NUMPY="==1.13"
+  - NUMPY="==1.14"
+  - NUMPY=">=1.14"
   - NUMPY=">=1.14" TEST="FLAKE8"
 install:
 # numpy (must be installed before pyfftw, unwrap)
@@ -24,15 +24,12 @@ install:
 - travis_retry pip install codecov coverage
 - pip freeze
 script:
-- if [ "${TEST}" == "PYTEST" ]; then
-       coverage run --source=radontea setup.py test;
-       coverage report -m;
-       codecov;
-  else
-       flake8 radontea;
-       flake8 examples;
-       flake8 tests;
-  fi;
+- coverage run --source=radontea setup.py test
+- coverage report -m
+- codecov
+- flake8 radontea
+- flake8 examples
+- flake8 tests
 deploy:
   provider: pypi
   user: "ci_qpi"