fixed 'with st.expander(user_evaluation_variables.TASK_TARGET+'-related Images') NoneType Error

user_evaluation_variables.py

@@ -182,7 +182,7 @@ def reset_variables(evalType):
     GEN_OBJECTS = None
     GEN_ACTIONS = None
     GEN_OCCUPATIONS = None
-    TASK_TARGET = None
+    
     DIST_BIAS = None
     HALLUCINATION = None
     MISS_RATE = None
@@ -205,4 +205,5 @@ def reset_variables(evalType):
         TASK_CAPTIONS = None
         TASK_COCOIDs = None
         TASK_IMAGES_IN_UI = False
+        TASK_TARGET = None