Fed tuples to startswith when appropriate

django/core/management/commands/compilemessages.py

@@ -12,9 +12,8 @@ from django.utils._os import npath, upath
 def has_bom(fn):
     with open(fn, 'rb') as f:
         sample = f.read(4)
-    return sample[:3] == b'\xef\xbb\xbf' or \
-        sample.startswith(codecs.BOM_UTF16_LE) or \
-        sample.startswith(codecs.BOM_UTF16_BE)
+    return (sample[:3] == b'\xef\xbb\xbf' or
+        sample.startswith((codecs.BOM_UTF16_LE, codecs.BOM_UTF16_BE)))
 
 
 def is_writable(path):

django/shortcuts.py

@@ -197,7 +197,7 @@ def resolve_url(to, *args, **kwargs):
 
     if isinstance(to, six.string_types):
         # Handle relative URLs
-        if any(to.startswith(path) for path in ('./', '../')):
+        if to.startswith(('./', '../')):
             return to
 
     # Next try a reverse URL resolution.

django/template/base.py

@@ -232,7 +232,7 @@ class Token(object):
         bits = iter(smart_split(self.contents))
         for bit in bits:
             # Handle translation-marked template pieces
-            if bit.startswith('_("') or bit.startswith("_('"):
+            if bit.startswith(('_("', "_('")):
                 sentinal = bit[2] + ')'
                 trans_bit = [bit]
                 while not bit.endswith(sentinal):