Python 3.6.2 (#423)

* pypy3-5.8.0

* updated cpython to 3.6.2

* update README to reflect new Python version

README.md

@@ -8,7 +8,7 @@ This is the official [Heroku buildpack](https://devcenter.heroku.com/articles/bu
 
 Recommended web frameworks include **Django** and **Flask**. The recommended webserver is **Gunicorn**. There are no restrictions around what software can be used (as long as it's pip-installable). Web processes must bind to `$PORT`, and only the HTTP protocol is permitted for incoming connections.
 
-Some Python packages with obscure C dependencies (e.g. scipy) are [not compatible](https://devcenter.heroku.com/articles/python-c-deps).
+Some Python packages with obscure C dependencies are [not compatible](https://devcenter.heroku.com/articles/python-c-deps).
 
 See it in Action
 ----------------
@@ -23,7 +23,7 @@ Deploying a Python application couldn't be easier:
     $ git push heroku master
     ...
     -----> Python app detected
-    -----> Installing python-3.6.1
+    -----> Installing python-3.6.2
          $ pip install -r requirements.txt
            Collecting requests (from -r requirements.txt (line 1))
              Downloading requests-2.12.4-py2.py3-none-any.whl (576KB)
@@ -50,7 +50,7 @@ Specific versions of the Python runtime can be specified with a `runtime.txt` fi
 
 Runtime options include:
 
-- `python-3.6.1`
+- `python-3.6.2`
 - `python-2.7.13`
 - `pypy-5.7.1` (unsupported, experimental)
 - `pypy3-5.5.1` (unsupported, experimental)

bin/compile

@@ -32,7 +32,7 @@ CACHE_DIR=$2
 ENV_DIR=$3
 
 # Python defaults
-DEFAULT_PYTHON_VERSION="python-3.6.1"
+DEFAULT_PYTHON_VERSION="python-3.6.2"
 DEFAULT_PYTHON_STACK="cedar-14"
 PYTHON_EXE="/app/.heroku/python/bin/python"
 PIP_VERSION="9.0.1"