chore: update app.py

Signed-off-by: Suvaditya Mukherjee <suvadityamuk@gmail.com>

app.py

@@ -136,6 +136,8 @@ if __name__ == "__main__":
 
     client.set_model("sentence-transformers/all-MiniLM-L6-v2")
 
+    os.environ["TOKENIZERS_PARALLELISM"] = "false"
+
     if not client.collection_exists(collection_name="resume"):
         client.create_collection(
             collection_name="resume",