Move 'import os' to inside main()

This is necessary because of the monkey-patching.

diff --git a/teuthology/nuke.py b/teuthology/nuke.py
index 01bbe8a67a89de86bf93b04f76c296a63bb3999c..ed9252d93190e75005624afb1fdb9d9fa9c5bbeb 100644 (file)
--- a/teuthology/nuke.py
+++ b/teuthology/nuke.py
@@ -1,5 +1,4 @@
 import argparse
-import os
 import yaml
 import textwrap
 from argparse import RawTextHelpFormatter
@@ -366,7 +365,6 @@ def main():
 
     if ctx.pid:
         if ctx.archive:
-            import os
             log.info('Killing teuthology process at pid %d', ctx.pid)
             os.system('grep -q %s /proc/%d/cmdline && sudo kill %d' % (
                     ctx.archive,