ImageStore Filename Fix

diffusers_trainer.py

@@ -20,6 +20,7 @@ import time
 import itertools
 import numpy as np
 import json
+import re
 
 try:
     pynvml.nvmlInit()
@@ -171,7 +172,7 @@ class ImageStore:
     
     # gets caption by removing the extension from the filename and replacing it with .txt
     def get_caption(self, index: int) -> str:
-        filename = self.image_files[index].split('.')[0] + '.txt'
+        filename = re.sub('\.[^/.]+$', '', self.image_files[index]) + '.txt'
         with open(filename, 'r') as f:
             return f.read()