partial fix for unicode filenames (#478)

lib/extensions/embroider.py

@@ -39,10 +39,14 @@ class Embroider(InkstitchExtension):
 
     def get_output_path(self):
         if self.options.output_file:
-            output_path = os.path.join(os.path.expanduser(os.path.expandvars(self.options.path)), self.options.output_file)
+            # This is helpful for folks that run the embroider extension
+            # manually from the command line (without Inkscape) for
+            # debugging purposes.
+            output_path = os.path.join(os.path.expanduser(os.path.expandvars(self.options.path.decode("UTF-8"))),
+                                       self.options.output_file.decode("UTF-8"))
         else:
             csv_filename = '%s.%s' % (self.get_base_file_name(), self.options.output_format)
-            output_path = os.path.join(self.options.path, csv_filename)
+            output_path = os.path.join(self.options.path.decode("UTF-8"), csv_filename)
 
         def add_suffix(path, suffix):
             if suffix > 0: