Update from Github upstream repository

test/pin-pipenv-version-test-app/.s2i/environment

@@ -0,0 +1,2 @@
+ENABLE_PIPENV=1
+PIN_PIPENV_VERSION=2018.11.26

test/pin-pipenv-version-test-app/app.sh

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+#!/bin/bash
+
+echo "Testing PIN_PIPENV_VERSION (set in .s2i/environment) ..."
+pipenv_version=`pipenv --version`
+expected="pipenv, version 2018.11.26"
+if [ "$pipenv_version" != "$expected" ]; then
+  echo "ERROR: pipenv version is different than expected."
+  echo "Expected: ${expected}"
+  echo "Actual: ${pipenv_version}"
+  exit 1
+fi
+
+# Test the uwsgi server
+exec uwsgi \
+    --http-socket :8080 \
+    --die-on-term \
+    --master \
+    --single-interpreter \
+    --enable-threads \
+    --threads=5 \
+    --thunder-lock \
+    --module wsgi

test/pin-pipenv-version-test-app/requirements.txt

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+uWSGI
+Flask

test/pin-pipenv-version-test-app/wsgi.py

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+from flask import Flask
+application = Flask(__name__)
+
+@application.route('/')
+def hello():
+    return b'Hello World from uWSGI hosted WSGI application!'
+
+if __name__ == '__main__':
+    application.run()