Entropy fighting

* Fixes security vulnerability alert in urllib3 (requests dependency)
* Updates Bazel rules for new python_version semantics

Note: This is know not to work with python 3.6+ due to issue
ktdreyer/python-nfsn#1

BUILD

@@ -4,6 +4,6 @@ py_binary(
     name = "nfsn_pingbot",
     srcs = ["nfsn_pingbot.py"],
     srcs_version = "PY3",
-    default_python_version = "PY3",
+    python_version = "PY3",
     deps = all_requirements,
 )

WORKSPACE

@@ -1,13 +1,13 @@
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
 git_repository(
-    name = "io_bazel_rules_python",
+    name = "rules_python",
     remote = "https://github.com/bazelbuild/rules_python.git",
-    commit = "ebd7adcbcafcc8abe3fd8e5b0e42e10ced1bfe27",
+    commit = "93d8b0af6d8ca1ee37816a829085d7092b04cc7b",
 )
 
 # Only needed for PIP support:
-load("@io_bazel_rules_python//python:pip.bzl", "pip_repositories", "pip_import")
+load("@rules_python//python:pip.bzl", "pip_repositories", "pip_import")
 
 pip_repositories()
 

requirements.txt

@@ -1,7 +1,7 @@
 beanbag==1.9.2
-certifi==2018.11.29
+certifi==2019.6.16
 chardet==3.0.4
 idna==2.8
 python-nfsn==1.1.1
-requests==2.21.0
-urllib3==1.24.1
+requests==2.22.0
+urllib3==1.25.3