better for python 2.7

mwouts · Jul 18, 2018 · 096ea5e · 096ea5e
1 parent a518273
commit 096ea5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/nbrmd/contentsmanager.py b/nbrmd/contentsmanager.py
@@ -27,7 +27,7 @@ def _reads(s, as_version, **kwargs):
 
 
 def check_formats(formats):
-    if isinstance(formats, str):
+    if not isinstance(formats, list):
         formats = formats.split(',')
 
     formats = [fmt if fmt.startswith('.') else '.' + fmt