Direct users toward Python3, install explicitly

Author: Gadgetoid

README.md

@@ -17,6 +17,8 @@ You're best using the "One-line" install method if you want all of the UART seri
 ![Enviro Plus pHAT](./Enviro-Plus-pHAT.jpg)
 ![Enviro Mini pHAT](./Enviro-mini-pHAT.jpg)
 
+:warning: This library now supports Python 3 only, Python 2 is EOL - https://www.python.org/doc/sunset-python-2/
+
 ## One-line (Installs from GitHub)
 
 ```

install.sh

@@ -184,5 +184,6 @@ if [ -d "examples" ]; then
 fi
 
 success "\nAll done!"
-inform "If this is your first time installing you should reboot for hardware changes to take effect.\n"
+warning "If this is your first time installing you should --reboot-- for hardware changes to take effect.\n"
+warning "This library is installed for Python 3 *only* make sure to use \"python3\" when running examples.\n"
 inform "Find uninstall steps in $UNINSTALLER\n"

library/setup.cfg

@@ -55,6 +55,7 @@ ignore =
 [pimoroni]
 py2deps =
 py3deps =
+	python3
 	python3-pip
 	python3-numpy
 	python3-smbus