parameters: ()
return_statement: return InstallInfo.try_load() is not None
docstring: Returns true when install.json is present
docstring_summary: Returns true when install.json is present
docstring_tokens: Returns true when install . json is present
function: def is_installed() -> bool:
      """Returns true when install.json is present"""
      return InstallInfo.try_load() is not None
function_tokens: def is_installed ( ) -> bool : return InstallInfo . try_load ( ) is not None