Tagged release of 2.1.0

Signed-off-by: Ian Lee <IanLee1521@gmail.com>
diff --git a/pycodestyle.py b/pycodestyle.py
index 64a57ec..df79877 100755
--- a/pycodestyle.py
+++ b/pycodestyle.py
@@ -66,7 +66,7 @@
 except ImportError:
     from ConfigParser import RawConfigParser
 
-__version__ = '2.1.0.dev0'
+__version__ = '2.1.0'
 
 DEFAULT_EXCLUDE = '.svn,CVS,.bzr,.hg,.git,__pycache__,.tox'
 DEFAULT_IGNORE = 'E121,E123,E126,E226,E24,E704,W503'