Update app.py

app.py

@@ -47,15 +47,13 @@ class get_datasets:
     
     def uploaded_dataset(file):
         dataset = []
-        print(file)
-        try:
-            with open(file,'r') as file:
-                for line in file:
-                    dataset.append(json.loads(line.strip()))
-            print(dataset[0]['query'])
-            return dataset
-        except FileNotFoundError:
+        if file is None:
             return "File not found. Please upload the file again."
+        with open(file,'r') as file:
+            for line in file:
+                dataset.append(json.loads(line.strip()))
+        print(dataset[0]['query'])
+        return dataset