PEP8 changes for bootstrap.py

I changed a few things to allow for better pep8 compatability.

bootstrap/bootstrap.py

@@ -18,7 +18,11 @@ The script accepts buildout command-line options, so you can
 use the -c option to specify an alternate configuration file.
 """
 
-import os, shutil, sys, tempfile
+import os
+import shutil
+import sys
+import tempfile
+
 from optparse import OptionParser
 
 tmpeggs = tempfile.mkdtemp()
@@ -61,7 +65,8 @@ options, args = parser.parse_args()
 
 to_reload = False
 try:
-    import pkg_resources, setuptools
+    import pkg_resources
+    import setuptools
     if not hasattr(pkg_resources, '_distribute'):
         to_reload = True
         raise ImportError
@@ -73,7 +78,8 @@ except ImportError:
     except ImportError:
         from urllib2 import urlopen
 
-    exec(urlopen('http://python-distribute.org/distribute_setup.py').read(), ez)
+    exec(urlopen('http://python-distribute.org/distribute_setup.py').read(), 
+         ez)
     setup_args = dict(to_dir=tmpeggs, download_delay=0, no_fake=True)
     ez['use_setuptools'](**setup_args)
 
@@ -113,6 +119,7 @@ if version is None and not options.accept_buildout_test_releases:
     # Figure out the most recent final version of zc.buildout.
     import setuptools.package_index
     _final_parts = '*final-', '*final'
+
     def _final_version(parsed_version):
         for part in parsed_version:
             if (part[:1] == '*') and (part not in _final_parts):