Code cleanup.

1 files changed, 2 insertions, 2 deletions

diff --git a/sqlparse/sql.py b/sqlparse/sql.py
index 5b8f067..4d56bf3 100644
--- a/sqlparse/sql.py
+++ b/sqlparse/sql.py
@@ -146,7 +146,7 @@ class TokenList(Token):
 
     def _pprint_tree(self, max_depth=None, depth=0):
         """Pretty-print the object tree."""
-        indent = ' '*(depth*2)
+        indent = ' ' * (depth * 2)
         for idx, token in enumerate(self.tokens):
             if token.is_group():
                 pre = ' +-'
@@ -156,7 +156,7 @@ class TokenList(Token):
                                         token._get_repr_name(),
                                         token._get_repr_value())
             if (token.is_group() and (max_depth is None or depth < max_depth)):
-                token._pprint_tree(max_depth, depth+1)
+                token._pprint_tree(max_depth, depth + 1)
 
     def flatten(self):
         """Generator yielding ungrouped tokens.