Bump mock from 2.0.0 to 3.0.5

Signed-off-by: Ulysses Souza <[email protected]>

requirements-dev.txt

@@ -1,6 +1,6 @@
 coverage==4.4.2
 ddt==1.2.0
 flake8==3.5.0
-mock==2.0.0
+mock==3.0.5
 pytest==3.6.3
 pytest-cov==2.5.1

setup.py

@@ -49,7 +49,7 @@ tests_require = [
 
 
 if sys.version_info[:2] < (3, 4):
-    tests_require.append('mock >= 1.0.1, < 2')
+    tests_require.append('mock >= 1.0.1, < 4')
 
 extras_require = {
     ':python_version < "3.4"': ['enum34 >= 1.0.4, < 2'],