From ee5799fbb60e9739e42922861cd9f24990fc52dd Mon Sep 17 00:00:00 2001
From: Andi Albrecht <albrecht.andi@gmail.com>
Date: Sun, 3 Apr 2016 10:20:14 +0200
Subject: [PATCH] Code cleanup.

---
 sqlparse/__init__.py        | 12 +++++------
 sqlparse/engine/grouping.py | 43 ++++++++++++++++---------------------
 sqlparse/sql.py             |  6 ++++--
 tox.ini                     |  5 ++++-
 4 files changed, 32 insertions(+), 34 deletions(-)

diff --git a/sqlparse/__init__.py b/sqlparse/__init__.py
index 691b53f8..8ab957a5 100644
--- a/sqlparse/__init__.py
+++ b/sqlparse/__init__.py
@@ -10,11 +10,11 @@
 
 
 # Setup namespace
-from sqlparse import engine
-from sqlparse import filters
-from sqlparse import formatter
+from sqlparse import engine  # noqa
+from sqlparse import filters  # noqa
+from sqlparse import formatter  # noqa
 
-from sqlparse.compat import u
+from sqlparse.compat import u  # noqa
 
 
 def parse(sql, encoding=None):
@@ -69,9 +69,7 @@ def split(sql, encoding=None):
     return [u(stmt).strip() for stmt in stack.run(sql, encoding)]
 
 
-from sqlparse.engine.filter import StatementFilter
-
-
 def split2(stream):
+    from sqlparse.engine.filter import StatementFilter
     splitter = StatementFilter()
     return list(splitter.process(None, stream))
diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index 11493704..4e45f65a 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -5,11 +5,6 @@
 from sqlparse import sql
 from sqlparse import tokens as T
 
-try:
-    next
-except NameError:  # Python < 2.6
-    next = lambda i: i.next()
-
 
 def _group_left_right(tlist, ttype, value, cls,
                       check_right=lambda t: True,
@@ -441,23 +436,23 @@ def align_comments(tlist):
 
 def group(tlist):
     for func in [
-            group_comments,
-            group_brackets,
-            group_functions,
-            group_where,
-            group_case,
-            group_identifier,
-            group_order,
-            group_typecasts,
-            group_as,
-            group_aliased,
-            group_assignment,
-            group_comparison,
-            align_comments,
-            group_identifier_list,
-            group_if,
-            group_for,
-            group_foreach,
-            group_begin,
-            ]:
+        group_comments,
+        group_brackets,
+        group_functions,
+        group_where,
+        group_case,
+        group_identifier,
+        group_order,
+        group_typecasts,
+        group_as,
+        group_aliased,
+        group_assignment,
+        group_comparison,
+        align_comments,
+        group_identifier_list,
+        group_if,
+        group_for,
+        group_foreach,
+        group_begin,
+    ]:
         func(tlist)
diff --git a/sqlparse/sql.py b/sqlparse/sql.py
index 9c0497a4..f357572c 100644
--- a/sqlparse/sql.py
+++ b/sqlparse/sql.py
@@ -491,9 +491,11 @@ def get_type(self):
             # The WITH keyword should be followed by either an Identifier or
             # an IdentifierList containing the CTE definitions;  the actual
             # DML keyword (e.g. SELECT, INSERT) will follow next.
-            idents = self.token_next(self.token_index(first_token), skip_ws=True)
+            idents = self.token_next(
+                self.token_index(first_token), skip_ws=True)
             if isinstance(idents, (Identifier, IdentifierList)):
-                dml_keyword = self.token_next(self.token_index(idents), skip_ws=True)
+                dml_keyword = self.token_next(
+                    self.token_index(idents), skip_ws=True)
                 if dml_keyword.ttype == T.Keyword.DML:
                     return dml_keyword.normalized
             # Hmm, probably invalid syntax, so return unknown.
diff --git a/tox.ini b/tox.ini
index 2c543244..41f8240e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,4 +12,7 @@ commands=
 [testenv:flake8]
 basepython=python3.5
 deps=flake8
-commands=flake8 --exclude=docs/ .
+commands=flake8 sqlparse
+
+[flake8]
+ignore = W503