fix: apply black formatting (#4240)

* fix black formatting

* try

.github/workflows/linting.yml

@@ -13,6 +13,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          # With the default value of 1, there are corner cases where tj-actions/changed-files
+          # fails with a `no merge base` error
+          fetch-depth: 0
 
       - name: Get changed files
         id: files
@@ -38,6 +42,10 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+        with:
+          # With the default value of 1, there are corner cases where tj-actions/changed-files
+          # fails with a `no merge base` error
+          fetch-depth: 0
 
       - name: Get changed files
         id: files

haystack/nodes/prompt/prompt_node.py

@@ -766,7 +766,7 @@ class PromptNode(BaseComponent):
         :param use_auth_token: The authentication token to use for the model.
         :param use_gpu: Whether to use GPU or not.
         :param devices: The devices to use for the model.
-        :param top_k: The number of independently generated texts to return per prompt. For example, if you set top_k=3, the model's going to generate three answers to the query. 
+        :param top_k: The number of independently generated texts to return per prompt. For example, if you set top_k=3, the model's going to generate three answers to the query.
         :param stop_words: Stops text generation if any of the stop words is generated.
         :param model_kwargs: Additional keyword arguments passed when loading the model specified in `model_name_or_path`.
         """