tools/upip.py: Use "raise arg" instead of no-arg raise form, for native.
@@ -55,7 +55,7 @@ def _makedirs(name, mode=0o777):
ret = True
except OSError as e:
if e.args[0] != errno.EEXIST and e.args[0] != errno.EISDIR:
- raise
+ raise e
ret = False
return ret
