human
Solve the following python programming problem given the following code:
def execute(self) : 
    targets = self.context.targets (self.is_zipaligntarget) 
    for target in targets : 
        def get_products_path(target) : 
            "Get path of target's apks that are signed with release keystores by SignApk task." 
            apks = self.context.products.get ('release_apk') 
            packages = apks.get (target) 
            if packages : 
                for (tgts, products) in packages.items () : 
                    for prod in products : 
                        (yield os.path.join (tgts, prod)) 
packages = list (get_products_path (target)) 
        for package in packages : 
            safe_mkdir (self.zipalign_out (target)) 
            args = self._render_args (package, target) 
            with self.context.new_workunit (name = 'zipalign', labels = [WorkUnitLabel.MULTITOOL]) as workunit : 
                returncode = subprocess.call (args, stdout = workunit.output ('stdout'), stderr = workunit.output ('stderr')) 
                if returncode : 
                    raise TaskError ('The zipalign process exited non-zero: {0}'.format (workunit)) 

    
    

    Fix the buggy line: raise TaskError ('The zipalign process exited non-zero: {0}'.format (workunit))
assistant
#Here is Python program to fix the buggy line: raise TaskError ('The zipalign process exited non-zero: {0}'.

raise TaskError ('The zipalign process exited non-zero: {0}'.format (returncode))