fix output regression

lib/extensions/output.py

@@ -9,7 +9,7 @@ from ..i18n import _
 from ..output import write_embroidery_file
 from ..stitch_plan import patches_to_stitch_plan
 from ..svg import render_stitch_plan, PIXELS_PER_MM
-
+from ..utils.io import save_stdout
 
 class Output(InkstitchExtension):
     def __init__(self, *args, **kwargs):

messages.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2018-06-15 21:44-0400\n"
+"POT-Creation-Date: 2018-06-16 22:33-0400\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -319,6 +319,9 @@ msgstr ""
 msgid "Embroidery Simulation"
 msgstr ""
 
+msgid "No embroidery file formats selected."
+msgstr ""
+
 msgid ""
 "Unable to autofill.  This most often happens because your shape is made "
 "up of multiple sections that aren't connected."