[scripts.utils] Fix warning on __package__ usage

src/mednet/scripts/utils.py

@@ -119,7 +119,9 @@ def execution_metadata() -> dict[str, int | float | str | dict[str, str]]:
     datetime = __import__("datetime").datetime.now().astimezone().isoformat()
 
     # collects dependence information
-    package_name = __package__.split(".")[0]
+    package_name = (
+        __package__.split(".")[0] if __package__ is not None else "unknown"
+    )
     requires = importlib.metadata.requires(package_name) or []
     dependence_names = [re.split(r"(\=|~|!|>|<|;|\s)+", k)[0] for k in requires]
     dependencies = {
@@ -150,7 +152,7 @@ def execution_metadata() -> dict[str, int | float | str | dict[str, str]]:
 
     return {
         "datetime": datetime,
-        "package-name": __package__.split(".")[0],
+        "package-name": package_name,
         "package-version": current_version,
         "dependencies": dependencies,
         "user": __import__("getpass").getuser(),