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-rw-r--r--isort/isort.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/isort/isort.py b/isort/isort.py
index 7d971b47..ac21230f 100644
--- a/isort/isort.py
+++ b/isort/isort.py
@@ -136,8 +136,12 @@ class SortImports(object):
self.file_encoding,
file_to_import_sort.encoding))
elif file_:
- self.file_encoding = coding_check(file_)
- file_.seek(0)
+ try:
+ file_.seek(0)
+ self.file_encoding = coding_check(file_)
+ file_.seek(0)
+ except io.UnsupportedOperation:
+ pass
reader = codecs.getreader(self.file_encoding)
file_contents = reader(file_).read()