Fix up saving and zip writing logic

1 files changed, 4 insertions, 4 deletions

diff --git a/gerbonara/ipc356.py b/gerbonara/ipc356.py
index ae341be..06a87f0 100644
--- a/gerbonara/ipc356.py
+++ b/gerbonara/ipc356.py
@@ -120,15 +120,15 @@ class Netlist(CamFile):
         return parser.parse(data, Path(filename))
 
     def save(self, filename, settings=None, drop_comments=True):
-        with open(filename, 'w', encoding='utf-8') as f:
-            f.write(self.to_ipc356(settings, drop_comments=drop_comments))
+        with open(filename, 'wb') as f:
+            f.write(self.write_to_bytes(settings, drop_comments=drop_comments))
 
-    def to_ipc356(self, settings=None, drop_comments=True, job_name=None):
+    def write_to_bytes(self, settings=None, drop_comments=True, job_name=None):
         if settings is None:
             settings = self.import_settings.copy() or FileSettings()
             settings.zeros = None
             settings.number_format = (5,6)
-        return '\n'.join(self._generate_lines(settings, drop_comments=drop_comments))
+        return '\n'.join(self._generate_lines(settings, drop_comments=drop_comments)).encode('utf-8')
 
     def _generate_lines(self, settings, drop_comments, job_name=None):
         yield 'C  IPC-D-356 generated by Gerbonara'