diff --git a/python/ycm/utils.py b/python/ycm/utils.py
index 082e64a8..f320ca1a 100644
--- a/python/ycm/utils.py
+++ b/python/ycm/utils.py
@@ -227,21 +227,21 @@ def CreateHexHmac( content, hmac_secret ):
 # This is the compare_digest function from python 3.4, adapted for 2.7:
 #   http://hg.python.org/cpython/file/460407f35aa9/Lib/hmac.py#l16
 def SecureCompareStrings( a, b ):
-    """Returns the equivalent of 'a == b', but avoids content based short
-    circuiting to reduce the vulnerability to timing attacks."""
-    # Consistent timing matters more here than data type flexibility
-    if not ( isinstance( a, str ) and isinstance( b, str ) ):
-        raise TypeError( "inputs must be str instances" )
+  """Returns the equivalent of 'a == b', but avoids content based short
+  circuiting to reduce the vulnerability to timing attacks."""
+  # Consistent timing matters more here than data type flexibility
+  if not ( isinstance( a, str ) and isinstance( b, str ) ):
+    raise TypeError( "inputs must be str instances" )
 
-    # We assume the length of the expected digest is public knowledge,
-    # thus this early return isn't leaking anything an attacker wouldn't
-    # already know
-    if len( a ) != len( b ):
-        return False
+  # We assume the length of the expected digest is public knowledge,
+  # thus this early return isn't leaking anything an attacker wouldn't
+  # already know
+  if len( a ) != len( b ):
+    return False
 
-    # We assume that integers in the bytes range are all cached,
-    # thus timing shouldn't vary much due to integer object creation
-    result = 0
-    for x, y in zip( a, b ):
-        result |= ord( x ) ^ ord( y )
-    return result == 0
+  # We assume that integers in the bytes range are all cached,
+  # thus timing shouldn't vary much due to integer object creation
+  result = 0
+  for x, y in zip( a, b ):
+    result |= ord( x ) ^ ord( y )
+  return result == 0