change how existing experiment is retrieved

app.py

@@ -53,7 +53,7 @@ def create_experiment(
             "api_key": comet_api_key,
             "workspace": comet_workspace,
             "project_name": comet_project_name,
-            "previous_experiment": api_experiment.id,
+            "experiment_name": api_experiment.name,
         }
 
         return experiment, f"Started {api_experiment.name}. Happy logging!😊"
@@ -62,9 +62,16 @@ def create_experiment(
         return None, e
 
 
-def get_experiment(kwargs):
+def get_experiment(experiment_state):
+    api_key = experiment_state["api_key"]
+    workspace = experiment_state["workspace"]
+    project = experiment_state["project_name"]
+    experiment_name = experiment_state["experiment_name"]
+
     try:
-        return comet_ml.APIExperiment(**kwargs)
+        return comet_ml.API(api_key=api_key).get_experiment(
+            workspace=workspace, project=project, experiment_name=experiment_name
+        )
     except Exception as e:
         return None
 
@@ -138,7 +145,7 @@ def start_interface():
                 )
 
                 with gr.Row():
-                    start = gr.Button("Create Experiment", variant="primary")
+                    start = gr.Button("Start Experiment", variant="primary")
                     status = gr.Button("Experiment Status")
 
                 status_output = gr.Markdown(label="Status")