mypy compliant

code/utils.py

@@ -4,7 +4,6 @@ from git import Repo
 import logging
 import shutil
 import os
-import yaml
 from runner_script import RunnerScript
 
 
@@ -24,10 +23,8 @@ def clone_repository(repo_url: AnyHttpUrl) -> Path:
     return dst_dir
 
 
-def load_runner_script(path: Path) -> RunnerScript:
-    assert path.exists()
-    with open(path, 'r') as fh:
-        script = yaml.safe_load(fh)
-    runner_script = RunnerScript.parse_obj(script)
+def execute_runner_script(path: Path) -> None:
+    script_list = RunnerScript.from_file(path)
+    for cmd in script_list:
+        os.system(cmd)
     logging.debug('finished')
-    return runner_script