Fix PyPI rejecting the long description.

The long description failed to parse due to whitespace issues.

setup.py

@@ -1,23 +1,24 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
-"""Pygments
-    ~~~~~~~~
+"""
+Pygments
+~~~~~~~~
 
-    Pygments is a syntax highlighting package written in Python.
+Pygments is a syntax highlighting package written in Python.
 
-    It is a generic syntax highlighter suitable for use in code hosting, forums,
-    wikis or other applications that need to prettify source code.  Highlights
-    are:
+It is a generic syntax highlighter suitable for use in code hosting, forums,
+wikis or other applications that need to prettify source code.  Highlights
+are:
 
-    * a wide range of over 300 languages and other text formats is supported
-    * special attention is paid to details, increasing quality by a fair amount
-    * support for new languages and formats are added easily
-    * a number of output formats, presently HTML, LaTeX, RTF, SVG, all image \
-      formats that PIL supports and ANSI sequences
-    * it is usable as a command-line tool and as a library
+* a wide range of over 300 languages and other text formats is supported
+* special attention is paid to details, increasing quality by a fair amount
+* support for new languages and formats are added easily
+* a number of output formats, presently HTML, LaTeX, RTF, SVG, all image \
+    formats that PIL supports and ANSI sequences
+* it is usable as a command-line tool and as a library
 
-    :copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
-    :license: BSD, see LICENSE for details.
+:copyright: Copyright 2006-2017 by the Pygments team, see AUTHORS.
+:license: BSD, see LICENSE for details.
 """
 
 try: