old_contents: from .tsdb_client import TSDBClient
  from .metrics import Counter, Gauge
  from .exceptions import *
  
  __version__ = '0.1.3'
  
new_contents: from .tsdb_client import TSDBClient
  from .metrics import Counter, Gauge
  from .exceptions import *
  
  __version__ = '0.2.1'
  
subject: Update version to 0.2.1