Revert "Use tested config files"

This reverts commit 04eb0f5.

Author: uvchik

.stickler.yml

@@ -2,11 +2,3 @@ linters:
     flake8:
       python: 3
       max-line-length: 79
-      select: C,E,F,W,B,B950
-      ignore: E203, E501, W503
-    black:
-      config: ./pyproject.toml
-      fixer: true
-
-fixers:
-    enable: true

.travis.yml

@@ -2,25 +2,24 @@ language: python
 
 matrix:
   include:
+    - python: 3.5
     - python: 3.6
-      dist: xenial
-      sudo: true
     - python: 3.7
       dist: xenial
       sudo: true
 
 # command to install dependencies
-before_install:
-  - sudo apt-get install libhdf5-serial-dev proj-bin libproj-dev libgeos-dev libspatialindex-dev 
+#before_install:
+#  - sudo apt-get install coinor-cbc
 
 install:
-  - pip install cython
   - pip install .
-  - pip install coveralls
+  - pip install coveralls sphinx sphinx_rtd_theme nbformat pytest-cov jupyter
 
 # command to run tests
 script:
-  - nosetests --with-doctest --with-coverage -c nose.cfg
+  - coverage run --rcfile=.coveragerc --source windpowerlib -m py.test
+  - coverage report
 
 after_success:
   - coveralls