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-rw-r--r--isort/settings.py5
1 files changed, 4 insertions, 1 deletions
diff --git a/isort/settings.py b/isort/settings.py
index bdadc711..a69471e8 100644
--- a/isort/settings.py
+++ b/isort/settings.py
@@ -262,7 +262,10 @@ def _update_with_config_file(file_path, sections, computed_settings):
def _as_list(value):
- return filter(bool, [item.strip() for item in value.replace('\n', ',').split(',')])
+ if not isinstance(value, list):
+ value = value.replace('\n', ',').split(',')
+
+ return filter(bool, [item.strip() for item in value])
def _abspaths(cwd, values):