--- a/treepkg/run.py	Mon Apr 26 10:12:35 2010 +0000
+++ b/treepkg/run.py	Mon Apr 26 10:22:55 2010 +0000
@@ -41,15 +41,15 @@
         if env is None:
             env = os.environ.copy()
         env.update(extra_env)
+    try:
+        process = subprocess.Popen(command, env=env, **kw)
+    except OSError,e:
+        raise SubprocessError(command, e.errno, e.strerror)
 
-    process = subprocess.Popen(command, env=env, **kw)
     if inputdata is not None:
         process.stdin.write(inputdata)
         process.stdin.close()
-    try:
-        ret = process.wait()
-    except OSError,e:
-        raise SubprocessError(command, e.errno, e.strerror)
+    ret = process.wait()
     if ret != 0:
         raise SubprocessError(command, ret)