Ensure 2 blank lines around top-level functions and classes.

flake8 rules
E302: expected 2 blank lines, found 1
E305: expected 2 blank lines after class or function definition

git-svn-id: https://svn.code.sf.net/p/docutils/code/trunk/docutils@9026 929543f6-e4f2-0310-98a6-ba3bd3dd1d04

1 files changed, 1 insertions, 0 deletions

diff --git a/docutils/io.py b/docutils/io.py
index 9c3b9f92a..fd26082c4 100644
--- a/docutils/io.py
+++ b/docutils/io.py
@@ -58,6 +58,7 @@ def check_encoding(stream, encoding):
     except (LookupError, AttributeError, TypeError):
         return None
 
+
 def error_string(err):
     """Return string representation of Exception `err`.
     """