fix issue file

run.py

@@ -32,7 +32,7 @@ if __name__ == "__main__":
 
     df_cv=pd.read_parquet(cache_file) 
      
-    with open(issue_cache_file, "rb") as issue_file:
+    with open(cache_file_issues, "rb") as issue_file:
         issues = pickle.load(issue_file)
             
     #df = dataset.to_pandas()