Merge pull request python3statement#134 from hugovk/patch-1

Fail early at import time: First choice is upgrade to Python 3

Author: Carreau

_practicalities/intro.md

@@ -225,25 +225,25 @@ if sys.version_info < (3,):
  raise ImportError(
  """You are running Frobulator 6.0 on Python 2
 
-Unfortunately Frobulator 6.0 and above are not compatible with Python 2
-anymore, and you still ended up with this version installed on your system.
-That's a bummer; sorry about that. It should not have happened. Make sure you
-have pip >= 9.0 to avoid this kind of issues, as well as setuptools >= 24.2:
+Frobulator 6.0 and above are no longer compatible with Python 2, and you still 
+ended up with this version installed. That's unfortunate; sorry about that. 
+It should not have happened. Make sure you have pip >= 9.0 to avoid this kind 
+of issue, as well as setuptools >= 24.2:
 
  $ pip install pip setuptools --upgrade
 
-You have various other choices
+Your choices:
 
-- install an older version of Frobulator:
+- Upgrade to Python 3.
 
- $ pip install 'frobulator<6.0'
+- Install an older version of Frobulator:
 
-- Upgrade your system to use Python 3.
+ $ pip install 'frobulator<6.0'
 
 It would be great if you can figure out how this version ended up being
 installed, and try to check how to prevent that for future users.
 
-See the following url for more up-to-date information:
+See the following URL for more up-to-date information:
 
 https://i.am.an/url