--- a/scripts/install.py	Fri Sep 01 10:26:51 2023 +0200
+++ b/scripts/install.py	Thu Oct 05 09:59:53 2023 +0200
@@ -1425,7 +1425,7 @@
     global createInstallInfoFile, installInfo, installCwd, cfg
 
     if createInstallInfoFile:
-        installDateTime = datetime.datetime.now(tz=None)
+        installDateTime = datetime.datetime.now(tz=datetime.timezone.utc)
         try:
             installInfo["sudo"] = os.getuid() == 0
         except AttributeError:
@@ -1728,6 +1728,7 @@
         "isort": ("isort", ">=5.10.0"),
         "coverage": ("coverage", ">=6.5.0"),
         "semver": ("semver", ""),
+        "pipdeptree": ("pipdeptree", ""),
     }
     optionalModulesList = {
         # key is pip project name