Improved example [skip ci]

Author: ankane

examples/loading/example.py

@@ -25,12 +25,12 @@
     copy.set_types(['vector'])
 
     for i, embedding in enumerate(embeddings):
+        copy.write_row([embedding])
+
         # show progress
         if i % 10000 == 0:
             print('.', end='', flush=True)
 
-        copy.write_row([embedding])
-
 print('\nSuccess!')
 
 # create any indexes *after* loading initial data (skipping for this example)