Replace pep257 with pydocstyle

Author: rmk135

.travis.yml

@@ -8,7 +8,7 @@ env:
   - TOXENV=coveralls
   - TOXENV=pylint
   - TOXENV=flake8
-  - TOXENV=pep257
+  - TOXENV=pydocstyle
   - TOXENV=py26
   - TOXENV=py27
   - TOXENV=py33

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist=
-    coveralls, pylint, flake8, pep257, py26, py27, py33, py34, py35, pypy, pypy3
+    coveralls, pylint, flake8, pydocstyle, py26, py27, py33, py34, py35, pypy, pypy3
 
 [testenv]
 whitelist_externals=
@@ -16,7 +16,7 @@ deps=
     {[testenv]deps}
     coverage
     flake8
-    pep257
+    pydocstyle
 commands=
     rm -rf ./domain_models/*.pyc
     rm -rf ./tests/*.pyc
@@ -28,8 +28,8 @@ commands=
     flake8 --max-complexity=8 domain_models/
     flake8 --max-complexity=8 examples/
 
-    pep257 domain_models/
-    pep257 examples/
+    pydocstyle domain_models/
+    pydocstyle examples/
 
 [testenv:coveralls]
 basepython=python2.7
@@ -58,10 +58,10 @@ commands=
     flake8 --max-complexity=8 domain_models/
     flake8 --max-complexity=8 examples/
 
-[testenv:pep257]
+[testenv:pydocstyle]
 basepython=python2.7
 deps=
-    pep257
+    pydocstyle
 commands=
-    pep257 domain_models/
-    pep257 examples/
+    pydocstyle domain_models/
+    pydocstyle examples/