parameters: (self, branch, anonymous)
docstring: :raises: :exc:`ValueError` If branch is invalid
docstring_summary: :raises: :exc:`ValueError` If branch is invalid
docstring_tokens: : raises : : exc : ValueError If branch is invalid
function: def get_branch(self, branch, anonymous):
          """
          :raises: :exc:`ValueError` If branch is invalid
          """
          if branch == 'release-tar':
              return self.tarball_url, self.tarball_version
          else:
              raise ValueError(branch)
function_tokens: def get_branch ( self , branch , anonymous ) : if branch == 'release-tar' : return self . tarball_url , self . tarball_version else : raise ValueError ( branch )