Fix json dump

krysa/main.py

@@ -18,7 +18,6 @@
 import math
 import string
 import sqlite3
-from io import open
 import os.path as op
 from functools import partial
 from time import gmtime, strftime
@@ -965,8 +964,8 @@ def _save_project(self, selection=None, fname=None, *args):
         # (dummy for now)
         # dump widgets' properties from process flow to dict, then to json
         project = {u'test': u'blah'}
-        with open(op.join(selection, fname), 'w', encoding='utf8') as f:
-            f.write(json.dumps(project, indent=4).decode('utf8'))
+        with open(op.join(selection, fname), 'wb') as f:
+            f.write(bytes(json.dumps(project, indent=4)))
 
         # let user set table columns, add to tab, then:
         self._export_data([data], 'data.sqlite')