Put Grapd DB connection out of the loop to prevent pooling connection

Author: praveshkumar1988

backend/score.py

@@ -574,6 +574,8 @@ async def generate():
         uri = url
         if " " in url:
             uri= url.replace(" ","+")
+        graph = create_graph_database_connection(uri, userName, decoded_password, database)
+        graphDb_data_Access = graphDBdataAccess(graph)
         while True:
             try:
                 if await request.is_disconnected():
@@ -582,8 +584,6 @@ async def generate():
                 # get the current status of document node
 
                 else:
-                    graph = create_graph_database_connection(uri, userName, decoded_password, database)
-                    graphDb_data_Access = graphDBdataAccess(graph)
                     result = graphDb_data_Access.get_current_status_document_node(file_name)
                     if len(result) > 0:
                         status = json.dumps({'fileName':file_name,