`tqdm.pandas`: 空 DataFrame 会引发 `ZeroDivisionError`,而 `total=` 只会应用一次

• I have marked all applicable categories:
  • exception-raising bug
  • visual output bug
• I have visited the source website, and in particular read the known issues
• I have searched through the issue tracker for duplicates
• I have mentioned version numbers, operating system and environment, where applicable:
  python复制

  import tqdm, sys
  print(tqdm.__version__, sys.version, sys.platform)

Summary

There are two bugs in tqdm.pandas()'s shared inner closure, empty dataFrames and total= is consumed after the first call.