#1726198: replace while 1: fp.readline() with file iteration.
diff --git a/Lib/formatter.py b/Lib/formatter.py
index fa2b389..834b560 100644
--- a/Lib/formatter.py
+++ b/Lib/formatter.py
@@ -432,10 +432,7 @@
         fp = open(sys.argv[1])
     else:
         fp = sys.stdin
-    while 1:
-        line = fp.readline()
-        if not line:
-            break
+    for line in fp:
         if line == '\n':
             f.end_paragraph(1)
         else:
diff --git a/Lib/keyword.py b/Lib/keyword.py
index cd1d55e..8eb2860 100755
--- a/Lib/keyword.py
+++ b/Lib/keyword.py
@@ -62,9 +62,7 @@
     fp = open(iptfile)
     strprog = re.compile('"([^"]+)"')
     lines = []
-    while 1:
-        line = fp.readline()
-        if not line: break
+    for line in fp:
         if '{1, "' in line:
             match = strprog.search(line)
             if match:
diff --git a/Lib/urlparse.py b/Lib/urlparse.py
index ada6142..631a5a1 100644
--- a/Lib/urlparse.py
+++ b/Lib/urlparse.py
@@ -306,9 +306,7 @@
         except ImportError:
             from StringIO import StringIO
         fp = StringIO(test_input)
-    while 1:
-        line = fp.readline()
-        if not line: break
+    for line in fp:
         words = line.split()
         if not words:
             continue