fix typo in pipeline and remove library in readme

README.md

@@ -1,5 +1,4 @@
 ---
 tags:
 - feature-extraction
-library_name: generic
 ---

pipeline.py

@@ -1,5 +1,4 @@
 from typing import Dict, List, Any
-import random
 import numpy as np
 
 class PreTrainedPipeline():
@@ -19,4 +18,4 @@ class PreTrainedPipeline():
             A :obj:`list` of floats: The features computed by the model.
         """
         # IMPLEMENT_THIS
-        return self.x[:len(input)].tolist()
+        return self.x