Fix WindowState error in PySide6 v6.4

PySide6 converts QEnum to a Python enum, but it's not recognised by
'isinstance'.

src/photini/__init__.py

@@ -1,4 +1,4 @@
 """Full documentation is at https://photini.readthedocs.io/"""
 
-__version__ = '2022.10.0.1'
-build = '2277 (6da9860)'
+__version__ = '2022.10.0.2'
+build = '2278 (08b9228)'

src/photini/pyqt.py

@@ -18,7 +18,6 @@
 
 from collections import namedtuple
 from contextlib import contextmanager
-import enum
 from functools import wraps
 import importlib
 import logging
@@ -280,8 +279,8 @@ def execute(widget, *arg, **kwds):
     return widget.exec(*arg, **kwds)
 
 def flag_to_int(flags):
-    if isinstance(flags, enum.Enum):
-        # PySide6 started using Python enum for QFlags in v6.4
+    if hasattr(flags, 'value'):
+        # recent versions of PyQt6 and PySide6 convert QEnum to Python enum
         return flags.value
     return int(flags)
 

utils/update_version.py

@@ -48,10 +48,10 @@ def main(argv=None):
     for tag in repo.tags:
         if tag.commit.committed_date > latest:
             tag_name = str(tag)
-            if re.match(r'\d{4}\.\d{1,2}\.\d$', tag_name):
+            if re.match(r'\d{4}\.\d{1,2}\.\d', tag_name):
                 latest = tag.commit.committed_date
                 last_release = tag_name
-    # set current version number (calendar based)
+    # set current version number
     last_release = [int(x) for x in last_release.split('.')]
     major, minor, micro = last_release[:3]
     version = [int(x) for x in __version__.split('.')]