Ignore Python warnings

README.md

@@ -8,8 +8,6 @@ This installer will ensure you have the same software that's installed on the
 Astro Pi units on the ISS, so you can test your code will work during the
 mission.
 
-
-
 ## One-line installer
 
 Open a terminal window and type:
@@ -27,5 +25,6 @@ Raspberry Pi and ESA branding, as well as some photos of the Astro Pi in space
 and even some of our favourite photos taken by Astro Pi 2018 competition
 winners!
 
-To choose a background, right click on the desktop and choose "Change desktop
-background" then...
+To choose a background, right click on the desktop and choose **Desktop
+Preferences**. Under **Picture** click the selected file and try changing it
+to one of the other options.

setup.sh

@@ -59,7 +59,7 @@ sudo pip3 install -qr requirements.txt
 
 echo -e "\nTesting importing your Python packages..."
 
-if python3 test.py; then
+if python3 -W ignore test.py; then
     echo -e "\nAll Python libraries imported ok\n"
 else
     echo -e "\nThere were errors with the Python libraries. See above for more information.\n"
@@ -69,7 +69,7 @@ fi
 # Set Chromium homepage and bookmarks
 
 if $desktop; then
-    echo -ne "\nSetting your Chromium homepage and bookmarks...\n"
+    echo -ne "Setting your Chromium homepage and bookmarks...\n"
     python3 chromium.py
 fi