Update README.md

README.md

@@ -42,8 +42,8 @@ installation:
 ```import os
 
 if not os.path.exists("./wikidata_bm25_whoosh"):
-  !git clone https://huggingface.co/ontocord/riverbed
-!pip install -q whoosh
+  os.system("git clone https://huggingface.co/ontocord/riverbed")
+  os.system("pip install -q whoosh")
 import whoosh.index as whoosh_index
 from whoosh.qparser import QueryParser
 from whoosh.analysis import StemmingAnalyzer, Filter