Issue #4631: Fix urlopen() result when an HTTP response uses chunked encoding.
diff --git a/Lib/urllib/response.py b/Lib/urllib/response.py
index 1352622..52eeed0 100644
--- a/Lib/urllib/response.py
+++ b/Lib/urllib/response.py
@@ -17,7 +17,8 @@
         self.read = self.fp.read
         self.readline = self.fp.readline
         # TODO(jhylton): Make sure an object with readlines() is also iterable
-        if hasattr(self.fp, "readlines"): self.readlines = self.fp.readlines
+        if hasattr(self.fp, "readlines"):
+            self.readlines = self.fp.readlines
         if hasattr(self.fp, "fileno"):
             self.fileno = self.fp.fileno
         else: