Update initialize.py

initialize.py

@@ -35,7 +35,11 @@ def define_components(document_store, api_key):
     
     generator = HuggingFaceTGIGenerator(
         model="mistralai/Mistral-7B-Instruct-v0.1", 
-        token=Secret.from_token(api_key)
+        token=Secret.from_token(api_key),
+        generation_kwargs = {
+            'max_new_tokens':100,
+            'temperature':0.7
+        }
     )
     generator.warm_up()
     return retriever, prompt_builder, generator