fix: use ruamel instead of yaml

compose_viz/parser.py

@@ -1,7 +1,7 @@
 from re import S
 from compose_viz.compose import Compose
 from compose_viz.compose import Service
-import yaml
+from ruamel.yaml import YAML
 
 
 class Parser:
@@ -13,9 +13,10 @@ class Parser:
         # load the yaml file
         with open(file_path, "r") as f:
             try:
-                yaml_data = yaml.safe_load(f)
-            except yaml.YAMLError as exc:
-                raise yaml.YAMLError
+                yaml = YAML()
+                yaml_data = yaml.load(f)
+            except YAML.YAMLError as exc:
+                raise YAML.YAMLError
         # validate the yaml file
         if not yaml_data:
             print("Error: empty yaml file")