Fix a typo in the pull request template (keon#514)

* Fix a typo in the pull request template

* Tox and Travis should use the SAME Python

Author: cclauss

PULL_REQUEST_TEMPLATE.md

@@ -4,7 +4,7 @@
 - [ ] **If creating a new file :**
   - [ ] added links to it in the README files ?
   - [ ] included tests with it ?
-  - [ ] added description (overview of algorithm, time and space compleixty, and possible edge case) in docstrings ?
+  - [ ] added description (overview of algorithm, time and space complexity, and possible edge case) in docstrings ?
 
 - [ ] **if done some changes :**
   - [ ] wrote short description in the PR explaining what the changes do ?

tox.ini

@@ -43,7 +43,7 @@ commands =
 [testenv:py36]
 passenv = CI TRAVIS TRAVIS_*
 basepython =
-    python3.4
+    python3.6
 deps =
     pytest
 commands =