improvements

bin/steps/pip-install

@@ -1,5 +1,5 @@
 # Install dependencies with Pip.
-puts-cmd "pip install -r requirements.txt"
+puts-step "Installing requirements with pip"
 
 set +e
 # delete any existing egg links, to uninstall exisisting installations.

bin/steps/pipenv

@@ -4,7 +4,7 @@ if [[ -f Pipfile ]]; then
     if [[ ! -f requirements.txt ]]; then
         puts-step "Generating 'requirements.txt' with pipenv"
 
-        pip install git+https://github.com/kennethreitz/pipenv.git#egg=pipenv &> /dev/null
+        pip install pipenv --upgrade &> /dev/null
         pipenv lock --requirements > requirements.txt 2> /dev/null
 
         pipstrip requirements.txt

bin/steps/python

@@ -1,4 +1,5 @@
 set +e
+runtime-fixer runtime.txt
 PYTHON_VERSION=$(cat runtime.txt)
 
 # Install Python.