Pass file data instead of file handle to upload

Author: Eric Zhang

example/back-up-and-restore/backup-and-restore-example.py

@@ -23,7 +23,7 @@ def backup():
  # are changed on upload
  print("Uploading " + LOCALFILE + " to Dropbox as " + BACKUPPATH + "...")
  try:
- dbx.files_upload(f, BACKUPPATH, mode=WriteMode('overwrite'))
+ dbx.files_upload(f.read(), BACKUPPATH, mode=WriteMode('overwrite'))
  except ApiError as err:
  # This checks for the specific error where a user doesn't have
  # enough Dropbox space quota to upload this file