Merge pull request #70 from pytries/no-pytest-runner

don't require pytest-runner to install datrie

Author: kmike

.travis.yml

@@ -10,7 +10,6 @@ python:
   - "3.7"
 
 install:
-  - python setup.py install
+  - pip install tox-travis
 
-script:
-  - python setup.py test
+script: tox

setup.py

@@ -55,5 +55,4 @@
       ],
 
       python_requires=">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
-      setup_requires=["pytest-runner"],
       tests_require=["pytest", "hypothesis"])