diff --git a/python_api/api.py b/python_api/api.py
index 4816458..4ae734f 100644
--- a/python_api/api.py
+++ b/python_api/api.py
@@ -341,6 +341,7 @@ async def predict(request: PredictRequest):
     # experiment_id=create_expriement( cur, conn)
 
     trial= get_trial_by_model_and_input( model_id, inputs)
+    # print(trial)
     if not experiment_id:
         cur,conn=get_db_cur_con()
         experiment_id=create_expriement(cur, conn)
@@ -401,11 +402,29 @@ async def delete_trial(trial_id: str):
 @app.get("/trial/{trial_id}")
 async def get_trial(trial_id: str):
     cur,conn=get_db_cur_con()
+
+    # check if trial has a source trial 
+    cur.execute("""
+            SELECT * FROM trials t
+            WHERE t.id = %s
+        """, (trial_id,))
+    row = cur.fetchone()
+    if row["source_trial_id"] is not None:
+        # print("\n\n\n\n\n\n\n\n\n\n")
+        # print(row["source_trial_id"])
+        source_trial= await get_trial(row["source_trial_id"])
+        return source_trial
+    print(row)
+    # else
+                
+    cur.close()
+    cur,conn=get_db_cur_con()
+
     
     cur.execute("""
             SELECT t.id AS trial_id,
                 t.result,
-                t.source_trial_id as source_trial,
+                t.source_trial_id as source_trial_id,
                     t.completed_at,
                     ti.url AS input_url,
                     m.id AS modelId,
@@ -450,10 +469,15 @@ async def get_trial(trial_id: str):
     row = cur.fetchone()
 
     if not row:
-        # raise Exception(f"No trial found with ID {trial_id}")
-        return None
-    if row["source_trial"] is not None:
-        return get_trial(row["source_trial"])
+        raise Exception(f"No trial found with ID {trial_id}")
+        # return None
+    print(row) 
+    
+    if row["source_trial_id"] is not None:
+        # print("\n\n\n\n\n\n\n\n\n\n")
+        # print(row["source_trial_id"])
+        
+        return get_trial(row["source_trial_id"])
     # print(row)
     # Prepare the response structure
     result = {
diff --git a/python_api/db.py b/python_api/db.py
index a39cfbb..64d0703 100644
--- a/python_api/db.py
+++ b/python_api/db.py
@@ -32,7 +32,10 @@ def close_db_cur_con(cur, conn):
 
 def create_trial( model_id, experiment_id, cur, conn,source_id="",completed_at=None):
     trial_id= str(uuid.uuid4())
-    cur.execute("INSERT INTO trials (id,model_id,created_at,updated_at,completed_at,experiment_id,source_trial_id) VALUES (%s,%s,%s,%s,%s,%s,%s) RETURNING id", (trial_id,model_id,   datetime.now(),   datetime.now()  ,datetime.now()  , experiment_id,source_id))
+    if source_id!="":
+        cur.execute("INSERT INTO trials (id,model_id,created_at,updated_at,completed_at,experiment_id,source_trial_id) VALUES (%s,%s,%s,%s,%s,%s,%s) RETURNING id", (trial_id,model_id,   datetime.now(),   datetime.now()  ,datetime.now()  , experiment_id,source_id))
+    else:
+        cur.execute("INSERT INTO trials (id,model_id,created_at,updated_at,experiment_id) VALUES (%s,%s,%s,%s,%s,%s) RETURNING id", (trial_id,model_id,   datetime.now(),   datetime.now() , experiment_id))
     conn.commit()
     return trial_id
 
@@ -77,7 +80,7 @@ def get_trial_by_model_and_input(model_id, input_urls):
         JOIN experiments ON trials.experiment_id = experiments.id
         JOIN models ON trials.model_id = models.id
         JOIN trial_inputs ON trials.id = trial_inputs.trial_id
-        WHERE trials.completed_at IS NOT NULL
+        WHERE trials.results IS NOT NULL
         AND trials.model_id = %s
         AND ({input_query})
     """