diff options
Diffstat (limited to 'astroid/protocols.py')
| -rw-r--r-- | astroid/protocols.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/astroid/protocols.py b/astroid/protocols.py index 9258a368..a4c5ebcf 100644 --- a/astroid/protocols.py +++ b/astroid/protocols.py @@ -24,6 +24,8 @@ import collections import operator as operator_mod import sys +import itertools + from astroid import Store from astroid import arguments from astroid import bases @@ -174,9 +176,12 @@ def tl_infer_binary_op(self, opnode, operator, other, context, method): not_implemented = nodes.Const(NotImplemented) if isinstance(other, self.__class__) and operator == "+": node = self.__class__(parent=opnode) - elts = list(_filter_uninferable_nodes(self.elts, context)) - elts += list(_filter_uninferable_nodes(other.elts, context)) - node.elts = elts + node.elts = list( + itertools.chain( + _filter_uninferable_nodes(self.elts, context), + _filter_uninferable_nodes(other.elts, context), + ) + ) yield node elif isinstance(other, nodes.Const) and operator == "*": if not isinstance(other.value, int): |