code: def call_path(self, basepath):
          
          rel_filepath = self.path
          if basepath:
              rel_filepath = os.path.relpath(self.path, basepath)
  
          basename = self.name
          if basename in set(['__init__.py', '__main__.py']):
              rel_filepath = os.path.dirname(rel_filepath)
  
          return rel_filepath
docs: return that path to be able to call this script from the passed in
          basename
  
          example -- 
              basepath = /foo/bar
              self.path = /foo/bar/che/baz.py
              self.call_path(basepath) # che/baz.py
  
          basepath -- string -- the directory you would be calling this script in
          return -- string -- the minimum path that you could use to execute this script
              in basepath