Fix flake8 styling

2 files changed, 5 insertions, 4 deletions

diff --git a/sqlparse/engine/__init__.py b/sqlparse/engine/__init__.py
index 4d7fe88..1268bd1 100644
--- a/sqlparse/engine/__init__.py
+++ b/sqlparse/engine/__init__.py
@@ -43,8 +43,8 @@ class FilterStack(object):
             for filter_ in self.preprocess:
                 stream = filter_.process(self, stream)
 
-        if self.stmtprocess or self.postprocess or self.split_statements \
-           or self._grouping:
+        if (self.stmtprocess or self.postprocess or
+                self.split_statements or self._grouping):
             splitter = StatementFilter()
             stream = splitter.process(self, stream)
 
diff --git a/sqlparse/engine/grouping.py b/sqlparse/engine/grouping.py
index c7c0d42..7a93b5e 100644
--- a/sqlparse/engine/grouping.py
+++ b/sqlparse/engine/grouping.py
@@ -27,15 +27,16 @@ def _group_left_right(tlist, m, cls,
 
         if valid_left(left) and valid_right(right):
             if semicolon:
+                # only overwrite if a semicolon present.
                 sright = tlist.token_next_by(m=M_SEMICOLON, idx=right)
-                right = sright or right  # only overwrite if a semicolon present.
+                right = sright or right
             tokens = tlist.tokens_between(left, right)
             token = tlist.group_tokens(cls, tokens, extend=True)
         token = tlist.token_next_by(m=m, idx=token)
 
 
 def _group_matching(tlist, cls):
-    """Groups Tokens that have beginning and end. ie. parenthesis, brackets.."""
+    """Groups Tokens that have beginning and end."""
     idx = 1 if imt(tlist, i=cls) else 0
 
     token = tlist.token_next_by(m=cls.M_OPEN, idx=idx)