fix for failing test on Python 3.7

Author: AadilLatif

tests/test_add_scenario.py

@@ -15,13 +15,14 @@
 def test_add_scenario():
 
     with tempfile.TemporaryDirectory() as tmpdirname:
-        tmpdirname_obj = Path(tmpdirname)
-        shutil.copytree(PYDSS_PROJECT, tmpdirname, dirs_exist_ok=True)
+        tmpdirname_obj = Path(tmpdirname) / "tmp"
+        print(tmpdirname_obj)
+        shutil.copytree(PYDSS_PROJECT, str(tmpdirname_obj))
         settings_path = tmpdirname_obj / "simulation.toml"
         settings = toml.load(settings_path)
         settings['Project']['Project Path'] = str(tmpdirname_obj.absolute())
         toml.dump(settings, open(settings_path, "w"))
-        build_scenario(str(tmpdirname), "test_scenario", str(MAPPING_FILE))
+        build_scenario(str(tmpdirname_obj), "test_scenario", str(MAPPING_FILE))
         assert (tmpdirname_obj / "Scenarios" / "test_scenario").exists()
         assert (tmpdirname_obj / "Scenarios" / "test_scenario" / "pyControllerList" / "MotorStall.toml").exists()