Encode output as utf-8 to match file header

Author: aviddiviner

sqlacodegen/codegen.py

@@ -653,7 +653,8 @@ def render(self, outfile=sys.stdout):
 
         # Render the model tables and classes
         for model in self.models:
-            print('\n\n' + model.render().rstrip('\n'), file=outfile)
+            print('\n\n', file=outfile)
+            print(model.render().rstrip('\n').encode('utf-8'), file=outfile)
 
         if self.footer:
             print(self.footer, file=outfile)