Fix tests

Author: bogdandm

test/test_cli/test_script.py

@@ -27,11 +27,11 @@ def tmp_dir_cleanup():
 
 # download GitHub Gist dataset into tmp folder
 GISTS_URL = "https://api.github.com/gists"
-gists = requests.get(GISTS_URL).json()
+gists = requests.get(GISTS_URL).text
+gists = json.loads(gists)
 for item in gists:
     with (tmp_path / f"{item['id']}.gist").open("w") as f:
         json.dump(item, f)
-del gists
 
 # detect script path
 setuptools_script = subprocess.call(["json2models"], shell=True) == 0