Update setup.py (#29)

Author: sofia3ms

setup.py

@@ -29,7 +29,7 @@
 EMAIL = '[email protected]'
 AUTHOR = 'Instituto de Telecomunicacoes'
 REQUIRES_PYTHON = '>3.5.2'
-VERSION = 2.1.2
+VERSION = '2.1.2'
 LICENSE = 'BSD 3-clause'
 
 # What packages are required for this module to be executed?