diff --git a/endpoints/registry.py b/endpoints/registry.py
index 0225b2415..24f08ddef 100644
--- a/endpoints/registry.py
+++ b/endpoints/registry.py
@@ -22,20 +22,20 @@ logger = logging.getLogger(__name__)
 
 
 class SocketReader(object):
-    def __init__(self, fp):
-        self._fp = fp
-        self.handlers = []
+  def __init__(self, fp):
+    self._fp = fp
+    self.handlers = []
 
-    def add_handler(self, handler):
-        self.handlers.append(handler)
+  def add_handler(self, handler):
+    self.handlers.append(handler)
 
-    def read(self, n=-1):
-        buf = self._fp.read(n)
-        if not buf:
-            return ''
-        for handler in self.handlers:
-            handler(buf)
-        return buf
+  def read(self, n=-1):
+    buf = self._fp.read(n)
+    if not buf:
+      return ''
+    for handler in self.handlers:
+      handler(buf)
+    return buf
 
 
 def require_completion(f):