catch image conversion errors

app_dialogue.py

@@ -296,17 +296,17 @@ def prompt_list_to_tgi_input(prompt_list: List[str]) -> str:
     result_string_input = ""
     for elem in prompt_list:
         if is_image(elem):
-            if is_url(elem):
-                try:
+            try:
+                if is_url(elem):
                     response = requests.get(elem)
                     if response.status_code == 200:
                         elem_pil = Image.open(BytesIO(response.content))
-                except Exception:
-                    print(f"Image is not loading")
-            else:
-                elem_pil = Image.open(elem)
-            base64_img = pil_to_base64(elem_pil, resize=True)
-            result_string_input += f"![]({base64_img})"
+                else:
+                    elem_pil = Image.open(elem)
+                base64_img = pil_to_base64(elem_pil, resize=True)
+                result_string_input += f"![]({base64_img})"
+            except Exception as e:
+                print(f"Image can't be loaded because of exception {e}")
         else:
             result_string_input += elem
     return result_string_input