add sub cluster

.gitignore

@@ -0,0 +1 @@
+*.log

post_sub_cluster.py

@@ -20,36 +20,6 @@ class PostSubClusterLLM:
         - if you found a good fit use its id : {{"cluster" : "id_i"}}   
         - if the title is not related to any of the cluster names, return "outlier" is "yes" : {{"outlier" : "yes"}}   
 
-        Example-1:
-        - Input:
-            - title: "کتاب و درس"
-            - all_cluster_names: {{
-                "1" : "کتابخوانی",
-                "2" : "فوتبال جام جهانی",
-                "3" : "ساختمان سازی شهری"  }}
-        - Output:
-            - {{"cluster" : "1"}}
-
-        Example-2:
-        - Input:
-            - title: "لپتاب و کامپیوتر"
-            - all_cluster_names: {{
-                "1" : "کتابخوانی",
-                "2" : "فوتبال جام جهانی",
-                "3" : "ساختمان سازی شهری"  }}
-        - Output:
-            - {{"outlier" : "yes"}}
-        
-        Example-3:
-        - Input:
-            - title: "ساختمان"
-            - all_cluster_names: {{
-                "1" : "کتابخوانی",
-                "2" : "فوتبال جام جهانی",
-                "3" : "ساختمان سازی شهری"  }}
-        - Output:
-            - {{"cluster" : "3"}}
-
         write a small reason and give the final answer.
         """
 
@@ -69,11 +39,16 @@ class PostSubClusterLLM:
         
         headers = {"Content-Type": "application/json",}
 
+        found_cluster = False
         for cluster_sub_cluster in cluster_sub_cluster_list:
             if cluster_sub_cluster["cluster_name"] == cluster_name:
                 sub_cluster_names = cluster_sub_cluster["sub_cluster_names"]
+                found_cluster = True
                 break
 
+        if not found_cluster:
+            return None
+
         sub_cluster_names_str = "{\n"
         for count, value in enumerate(sub_cluster_names):
             sub_cluster_names_str += f"{count} : {value},\n"