Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/filecluster/image_grouper.py
#	src/filecluster/utlis.py

src/filecluster/image_grouper.py

@@ -1,5 +1,5 @@
 """Module for file clustering and supporting operations."""
-
+import logging
 import os
 import random
 from collections.abc import Iterator
@@ -341,6 +341,12 @@ def move_files_to_cluster_folder(self):
         for dir_name in dirs:
             if dir_name is None:
                 raise DateStringNoneError()
+
+            isnan = isinstance(dir_name, float) and math.isnan(dir_name)
+            if dir_name is None or isnan:
+                raise DateStringNoneException()
+                # instead, create dummy date
+                #dir_name = "XXXX_XX_XX"
             ut.create_folder_for_cluster(
                 config=self.config, date_string=dir_name, mode=mode
             )

src/filecluster/utlis.py

@@ -2,6 +2,7 @@
 
 import base64
 import hashlib
+import logging
 import os
 import time
 import tomllib
@@ -75,6 +76,8 @@ def create_folder_for_cluster(config: Config, date_string: str, mode: CopyMode):
 
     if mode != CopyMode.NOP:
         pth = Path(config.out_dir_name)
+        if not isinstance(date_string, str):
+            logger.error(f"Expected date string got: {date_string} of type: {type(date_string)}")
         dir_name = (
             pth / date_string
         )  # fixme: can raise error: TypeError: unsupported operand type(s) for /: 'WindowsPath' and 'float'