Delete utils.py

utils.py

@@ -1,20 +0,0 @@
-import os
-import contextlib
-        
-@contextlib.contextmanager
-def new_cd(x):
-    d = os.getcwd()
-
-    # This could raise an exception, but it's probably
-    # best to let it propagate and let the caller
-    # deal with it, since they requested x
-    os.chdir(x)
-
-    try:
-        yield
-
-    finally:
-        # This could also raise an exception, but you *really*
-        # aren't equipped to figure out what went wrong if the
-        # old working directory can't be restored.
-        os.chdir(d)