def load_installed_version(self):
        installed_packages = get_installed_pypackages()
        if self.package in installed_packages:
            self.version = "=={}".format(
                installed_packages[self.package].version)
def draw_path(self,c,container):
		c.path(self.center[0],self.center[1],container.center[0],container.center[1])