Update network_graph_generator.py

network_graph_generator.py

@@ -240,7 +240,7 @@ def generate_network_graph(json_input: str, output_format: str) -> str:
             engine='neato',
             graph_attr={
                 'overlap': 'false',
-                'splines': 'curved',
+                'splines': 'true',
                 'bgcolor': 'white',
                 'pad': '1.0',
                 'layout': 'neato',