provide backport for 3.7

InvenTree/InvenTree/settings.py

@@ -19,9 +19,14 @@ import string
 import shutil
 import sys
 import importlib
-from importlib import metadata
 from datetime import datetime
 
+try:
+    from importlib import metadata
+except:
+    import importlib_metadata as metadata
+
+
 import moneyed
 
 import yaml