Assorted unused imports from pyflakes, docstring tweaks, formatting.

3 files changed, 11 insertions, 8 deletions

diff --git a/lib/sqlalchemy/sql/__init__.py b/lib/sqlalchemy/sql/__init__.py
index 06b9f1f75..c966f396a 100644
--- a/lib/sqlalchemy/sql/__init__.py
+++ b/lib/sqlalchemy/sql/__init__.py
@@ -1,3 +1,2 @@
 from sqlalchemy.sql.expression import *
 from sqlalchemy.sql.visitors import ClauseVisitor, NoColumnVisitor
-
diff --git a/lib/sqlalchemy/sql/expression.py b/lib/sqlalchemy/sql/expression.py
index 6f3ee94ab..90c670ce3 100644
--- a/lib/sqlalchemy/sql/expression.py
+++ b/lib/sqlalchemy/sql/expression.py
@@ -6,10 +6,9 @@
 
 """Defines the base components of SQL expression trees.
 
-
 All components are derived from a common base class
-[sqlalchemy.sql.expression#ClauseElement].  Common behaviors are organized based
-on class hierarchies, in some cases via mixins.
+[sqlalchemy.sql.expression#ClauseElement].  Common behaviors are organized
+based on class hierarchies, in some cases via mixins.
 
 All object construction from this package occurs via functions which
 in some cases will construct composite ``ClauseElement`` structures
@@ -26,10 +25,11 @@ classes usually have few or no public methods and are less guaranteed
 to stay the same in future releases.
 """
 
+import re
 from sqlalchemy import util, exceptions
 from sqlalchemy.sql import operators, visitors
 from sqlalchemy import types as sqltypes
-import re
+
 
 __all__ = [
     'Alias', 'ClauseElement', 
@@ -43,6 +43,7 @@ __all__ = [
     'literal_column', 'not_', 'null', 'or_', 'outparam', 'outerjoin', 'select',
     'subquery', 'table', 'text', 'union', 'union_all', 'update', ]
 
+
 BIND_PARAMS = re.compile(r'(?<![:\w\x5c]):(\w+)(?!:)', re.UNICODE)
 
 def desc(column):
diff --git a/lib/sqlalchemy/sql/operators.py b/lib/sqlalchemy/sql/operators.py
index c1d2ebc87..cf8aeb71d 100644
--- a/lib/sqlalchemy/sql/operators.py
+++ b/lib/sqlalchemy/sql/operators.py
@@ -1,6 +1,10 @@
-"""define opeators used in SQL expressions"""
+# This module is part of SQLAlchemy and is released under
+# the MIT License: http://www.opensource.org/licenses/mit-license.php
 
-from operator import and_, or_, inv, add, mul, sub, div, mod, truediv, lt, le, ne, gt, ge, eq
+"""Defines operators used in SQL expressions."""
+
+from operator import and_, or_, inv, add, mul, sub, div, mod, truediv, \
+     lt, le, ne, gt, ge, eq
 
 def from_():
     raise NotImplementedError()
@@ -58,4 +62,3 @@ def desc_op(a):
 
 def asc_op(a):
     return a.asc()
-