Fix flake8 violation

1 files changed, 1 insertions, 1 deletions

diff --git a/sphinx/directives/code.py b/sphinx/directives/code.py
index 1a1ce454e..2efa7f0a4 100644
--- a/sphinx/directives/code.py
+++ b/sphinx/directives/code.py
@@ -203,7 +203,7 @@ class LiteralIncludeReader(object):
                     return lines
         except (IOError, OSError) as exc:
             raise IOError(_('Include file %r not found or reading it failed') % filename)
-        except UnicodeError as exc:
+        except UnicodeError:
             raise UnicodeError(_('Encoding %r used for reading included file %r seems to '
                                  'be wrong, try giving an :encoding: option') %
                                (self.encoding, filename))