--- a/toolbox/model.py	Tue Nov 24 13:07:43 2020 -0800
+++ b/toolbox/model.py	Tue Nov 24 13:10:30 2020 -0800
@@ -246,12 +246,11 @@
         filename = filename.encode('ascii', 'ignore')
         filename = os.path.join(self.directory, filename)
         try:
-            f = file(filename, 'w')
-        except Exception, e:
-            print filename, repr(filename)
+            with open(filename, 'w') as f:
+                f.write(json.dumps(project))
+        except Exception as e:
+            print('{} {}'.format(filename, repr(filename)))
             raise
-        f.write(json.dumps(project))
-        f.close()
 
 
 class ElasticSearchCache(MemoryCache):
@@ -402,7 +401,7 @@
     # process global options
     if options.list_models:
         for name in sorted(models.keys()):
-            print name # could conceivably print docstring
+            print(name)
         parser.exit()
     if options.list_args:
         if not options.list_args in models:
@@ -414,9 +413,9 @@
         for index, value in enumerate(reversed(argspec.defaults), 1):
             defaults[-index][-1] = value
         defaults = [[i,j] for i, j in defaults if i != 'fields']
-        print '%s arguments:' % options.list_args
+        print('%s arguments:' % options.list_args)
         for arg, value in defaults:
-            print ' -%s %s' % (arg, value or '')
+            print(' -%s %s' % (arg, value or ''))
         parser.exit()
 
     # parse models and their ctor args