[bugfix] Fix issue when llm config is not defined (#763)

embedchain/loaders/images.py

@@ -1,11 +1,11 @@
-import os
-import logging
 import hashlib
+import logging
+import os
+
 from embedchain.loaders.base_loader import BaseLoader
 
 
 class ImagesLoader(BaseLoader):
-
     def load_data(self, image_url):
         """
         Loads images from the supplied directory/file and applies CLIP model transformation to represent these images
@@ -15,6 +15,7 @@ class ImagesLoader(BaseLoader):
         """
         # load model and image preprocessing
         from embedchain.models.clip_processor import ClipProcessor
+
         model, preprocess = ClipProcessor.load_model()
         if os.path.isfile(image_url):
             data = [ClipProcessor.get_image_features(image_url, model, preprocess)]
@@ -28,8 +29,11 @@ class ImagesLoader(BaseLoader):
                     # Log the file that was not loaded
                     logging.exception("Failed to load the file {}. Exception {}".format(filepath, e))
         # Get the metadata like Size, Last Modified and Last Created timestamps
-        image_path_metadata = [str(os.path.getsize(image_url)), str(os.path.getmtime(image_url)),
-                               str(os.path.getctime(image_url))]
+        image_path_metadata = [
+            str(os.path.getsize(image_url)),
+            str(os.path.getmtime(image_url)),
+            str(os.path.getctime(image_url)),
+        ]
         doc_id = hashlib.sha256((" ".join(image_path_metadata) + image_url).encode()).hexdigest()
         return {
             "doc_id": doc_id,