Get version info from importlib.metadata

cps/about.py

@@ -23,6 +23,7 @@
 import sys
 import platform
 import sqlite3
+import importlib
 from collections import OrderedDict
 
 import flask
@@ -41,8 +42,11 @@ req = dep_check.load_dependencies(False)
 opt = dep_check.load_dependencies(True)
 for i in (req + opt):
     modules[i[1]] = i[0]
-modules['Jinja2'] = jinja2.__version__
-modules['pySqlite'] = sqlite3.version
+modules['Jinja2'] = importlib.metadata.version("jinja2")
+try:
+    modules['pySqlite'] = sqlite3.version
+except Exception:
+    pass
 modules['SQLite'] = sqlite3.sqlite_version
 sorted_modules = OrderedDict((sorted(modules.items(), key=lambda x: x[0].casefold())))