1 files changed, 37 insertions, 37 deletions
diff --git a/ranger/ext/iter_tools.py b/ranger/ext/iter_tools.py
index 341230f4..9e8fcd74 100644
--- a/ranger/ext/iter_tools.py
+++ b/ranger/ext/iter_tools.py
@@ -4,44 +4,44 @@
 from collections import deque
 
 def flatten(lst):
-	"""
-	Flatten an iterable.
-
-	All contained tuples, lists, deques and sets are replaced by their
-	elements and flattened as well.
-
-	>>> l = [1, 2, [3, [4], [5, 6]], 7]
-	>>> list(flatten(l))
-	[1, 2, 3, 4, 5, 6, 7]
-	>>> list(flatten(()))
-	[]
-	"""
-	for elem in lst:
-		if isinstance(elem, (tuple, list, set, deque)):
-			for subelem in flatten(elem):
-				yield subelem
-		else:
-			yield elem
+    """
+    Flatten an iterable.
+
+    All contained tuples, lists, deques and sets are replaced by their
+    elements and flattened as well.
+
+    >>> l = [1, 2, [3, [4], [5, 6]], 7]
+    >>> list(flatten(l))
+    [1, 2, 3, 4, 5, 6, 7]
+    >>> list(flatten(()))
+    []
+    """
+    for elem in lst:
+        if isinstance(elem, (tuple, list, set, deque)):
+            for subelem in flatten(elem):
+                yield subelem
+        else:
+            yield elem
 
 def unique(iterable):
-	"""
-	Return an iterable of the same type which contains unique items.
-
-	This function assumes that:
-	type(iterable)(list(iterable)) == iterable
-	which is true for tuples, lists and deques (but not for strings)
-
-	>>> unique([1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 1, 1, 2])
-	[1, 2, 3, 4]
-	>>> unique(('w', 't', 't', 'f', 't', 'w'))
-	('w', 't', 'f')
-	"""
-	already_seen = []
-	for item in iterable:
-		if item not in already_seen:
-			already_seen.append(item)
-	return type(iterable)(already_seen)
+    """
+    Return an iterable of the same type which contains unique items.
+
+    This function assumes that:
+    type(iterable)(list(iterable)) == iterable
+    which is true for tuples, lists and deques (but not for strings)
+
+    >>> unique([1, 2, 3, 1, 2, 3, 4, 2, 3, 4, 1, 1, 2])
+    [1, 2, 3, 4]
+    >>> unique(('w', 't', 't', 'f', 't', 'w'))
+    ('w', 't', 'f')
+    """
+    already_seen = []
+    for item in iterable:
+        if item not in already_seen:
+            already_seen.append(item)
+    return type(iterable)(already_seen)
 
 if __name__ == '__main__':
-	import doctest
-	doctest.testmod()
+    import doctest
+    doctest.testmod()