old_contents: """
     _____ _______ ______ _      _               _____        _____ _____  _  __
    / ____|__   __|  ____| |    | |        /\   |  __ \      / ____|  __ \| |/ /
   | (___    | |  | |__  | |    | |       /  \  | |__) |____| (___ | |  | | ' /
    \___ \   | |  |  __| | |    | |      / /\ \ |  _  /______\___ \| |  | |  <
    ____) |  | |  | |____| |____| |____ / ____ \| | \ \      ____) | |__| | . \
   |_____/   |_|  |______|______|______/_/    \_\_|  \_\    |_____/|_____/|_|\_\
  """
  
  __title__ = "stellar-sdk"
  __description__ = "The Python Stellar SDK library provides APIs to build transactions and connect to Horizon."
  __url__ = "https://github.com/StellarCN/py-stellar-base"
  __issues__ = f"{__url__}/issues"
  __version__ = "2.7.0-dev"
  __author__ = "Eno, overcat"
  __author_email__ = "appweb.cn@gmail.com, 4catcode@gmail.com"
  __license__ = "Apache License 2.0"
  
new_contents: """
     _____ _______ ______ _      _               _____        _____ _____  _  __
    / ____|__   __|  ____| |    | |        /\   |  __ \      / ____|  __ \| |/ /
   | (___    | |  | |__  | |    | |       /  \  | |__) |____| (___ | |  | | ' /
    \___ \   | |  |  __| | |    | |      / /\ \ |  _  /______\___ \| |  | |  <
    ____) |  | |  | |____| |____| |____ / ____ \| | \ \      ____) | |__| | . \
   |_____/   |_|  |______|______|______/_/    \_\_|  \_\    |_____/|_____/|_|\_\
  """
  
  __title__ = "stellar-sdk"
  __description__ = "The Python Stellar SDK library provides APIs to build transactions and connect to Horizon."
  __url__ = "https://github.com/StellarCN/py-stellar-base"
  __issues__ = f"{__url__}/issues"
  __version__ = "2.8.0-dev"
  __author__ = "Eno, overcat"
  __author_email__ = "appweb.cn@gmail.com, 4catcode@gmail.com"
  __license__ = "Apache License 2.0"
  
subject: update dev version.