diff options
| -rw-r--r-- | regex/__init__.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/regex/__init__.py b/regex/__init__.py index 3738251..d120de5 100644 --- a/regex/__init__.py +++ b/regex/__init__.py @@ -108,10 +108,10 @@ def make_pattern(tree, selected): elif label == 'BinOp' or label == 'Compare': # store the operator and left and/or right side children = [] - if subpats[0]: + if subpats[0] is not None: children += [subpats[0]] children += [tree[1]] - if subpats[2]: + if subpats[2] is not None: children += [subpats[2]] pat = Tree(label, children) else: |