added metatdata and check if serializable

.gitignore

@@ -5,4 +5,6 @@ dist/
 build_package/
 htmlcov/
 .coverage
-.pytest_cache
+.pytest_cache
+build/
+*.egg-info/

debiai/debiai_model.py

@@ -10,10 +10,11 @@ class Debiai_model:
     A Debiai project model
     """
 
-    def __init__(self, project, name: str, id: str):
+    def __init__(self, project, name: str, id: str, metadata: dict = {}):
         self.project = project
         self.name = name
         self.id = id
+        self.metadata = metadata
 
     def expected_results_exists(self):
         """

debiai/debiai_project.py

@@ -13,6 +13,7 @@
 import debiai_utils as debiai_utils
 from .debiai_services.df_to_dict_tree import df_to_dict_tree
 from .debiai_services.np_to_dict import check_np_array, np_to_dict
+import json
 
 DEBIAI_TYPES = ["contexts", "inputs", "groundTruth", "others"]
 
@@ -406,9 +407,14 @@ def create_model(self, name: str, metadata: dict = {}) -> Debiai_model:
         if not name:
             raise ValueError("Can't create the model: The model name is required")
 
+        try:
+            json.dumps(metadata)
+        except TypeError:
+            raise ValueError("The metadata dictionary is not JSON serializable")
+
         # Call the backend
         if utils.post_model(self.debiai_url, self.id, name, metadata):
-            return Debiai_model(self, name, name)
+            return Debiai_model(self, name, name, metadata)
         else:
             return False