Clean up output of virtualenv setup

bin/compile

@@ -72,6 +72,11 @@ indent() {
   [ $(uname) == "Darwin" ] && sed -l "$RE" || sed -u "$RE"
 }
 
+# Clean up pip output
+cleanup() {
+  sed -e '/already satisfied/Id'
+}
+
 # Virtualenv wrapper.
 function virtualenv (){
   python "$ROOT_DIR/vendor/virtualenv-1.7.2/virtualenv.py" "$@"
@@ -201,12 +206,12 @@ source $VIRTUALENV_LOC/bin/activate
 
 # Install Mercurial if it appears to be required.
 if (grep -Fiq "hg+" requirements.txt) then
-  pip install --use-mirrors mercurial | indent
+  pip install --use-mirrors mercurial | cleanup | indent
 fi
 
 # Install dependencies with Pip.
 puts-step "Installing dependencies using pip version $(pip --version | awk '{print $2}')"
-pip install --use-mirrors -r requirements.txt --exists-action=w --src=./.heroku/src | indent
+pip install --use-mirrors -r requirements.txt --exists-action=w --src=./.heroku/src | cleanup | indent
 
 # Do additional application hackery if applications appears to be a Django app.
 # Optionally, disable all Django-specific changes with `DISABLE_INJECTION` env.