Revert "removed reference to basestring"

This reverts commit 5cb5d6b.
willhaines · Sep 16, 2015 · f4db9b8 · f4db9b8
1 parent 5cb5d6b
commit f4db9b8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/skrf/util.py b/skrf/util.py
@@ -158,7 +158,7 @@ def get_fid(file, *args, **kwargs):
     \*args, \*\*kwargs : arguments and keyword arguments
         passed through to pickle.load
     '''
-    if isinstance(file, (str, unicode)):
+    if isinstance(file, basestring):
         return open(file, *args, **kwargs)
     else:
         return file