updated tutorials (#1359)

docs/_src/tutorials/tutorials/1.md

@@ -133,7 +133,7 @@ dicts = convert_files_to_dicts(dir_path=doc_dir, clean_func=clean_wiki_text, spl
 #    'meta': {'name': "<DOCUMENT_NAME_HERE>", ...}
 #}
 # (Optionally: you can also add more key-value-pairs here, that will be indexed as fields in Elasticsearch and
-# can be accessed later for filtering or shown in the responses of the Finder)
+# can be accessed later for filtering or shown in the responses of the Pipeline)
 
 # Let's have a look at the first 3 entries:
 print(dicts[:3])
@@ -142,7 +142,7 @@ print(dicts[:3])
 document_store.write_documents(dicts)
 ```
 
-## Initalize Retriever, Reader,  & Finder
+## Initalize Retriever, Reader,  & Pipeline
 
 ### Retriever
 

docs/_src/tutorials/tutorials/11.md

@@ -34,7 +34,7 @@ These lines are to install Haystack through pip
 
 ```python
 # Install the latest release of Haystack in your own environment
-#! pip install farm-haystack
+!pip install farm-haystack
 
 # Install the latest master of Haystack
 !pip install grpcio-tools==1.34.1

docs/_src/tutorials/tutorials/2.md

@@ -72,9 +72,9 @@ Then change the `use_gpu` arguments below to `True`
 
 ```python
 reader = FARMReader(model_name_or_path="distilbert-base-uncased-distilled-squad", use_gpu=True)
-train_data = "data/squad20"
-# train_data = "PATH/TO_YOUR/TRAIN_DATA" 
-reader.train(data_dir=train_data, train_filename="dev-v2.0.json", use_gpu=True, n_epochs=1, save_dir="my_model")
+data_dir = "data/squad20"
+# data_dir = "PATH/TO_YOUR/TRAIN_DATA" 
+reader.train(data_dir=data_dir, train_filename="dev-v2.0.json", use_gpu=True, n_epochs=1, save_dir="my_model")
 ```
 
 

docs/_src/tutorials/tutorials/3.md

@@ -44,7 +44,6 @@ Make sure you enable the GPU runtime to experience decent speed in this tutorial
 
 
 ```python
-from haystack import Finder
 from haystack.preprocessor.cleaning import clean_wiki_text
 from haystack.preprocessor.utils import convert_files_to_dicts, fetch_archive_from_http
 from haystack.reader.farm import FARMReader
@@ -102,7 +101,7 @@ print(dicts[:3])
 document_store.write_documents(dicts)
 ```
 
-## Initalize Retriever, Reader,  & Finder
+## Initalize Retriever, Reader & Pipeline
 
 ### Retriever
 

docs/_src/tutorials/tutorials/4.md

@@ -52,7 +52,6 @@ Make sure you enable the GPU runtime to experience decent speed in this tutorial
 
 
 ```python
-from haystack import Finder
 from haystack.document_store.elasticsearch import ElasticsearchDocumentStore
 
 from haystack.retriever.dense import EmbeddingRetriever

docs/_src/tutorials/tutorials/5.md

@@ -148,7 +148,7 @@ retriever = ElasticsearchRetriever(document_store=document_store)
 # Initialize Reader
 from haystack.reader.farm import FARMReader
 
-reader = FARMReader("deepset/roberta-base-squad2", top_k_per_candidate=4, return_no_answer=True)
+reader = FARMReader("deepset/roberta-base-squad2", top_k=4, return_no_answer=True)
 
 ```
 

docs/_src/tutorials/tutorials/6.md

@@ -85,7 +85,6 @@ Make sure you enable the GPU runtime to experience decent speed in this tutorial
 
 
 ```python
-from haystack import Finder
 from haystack.preprocessor.cleaning import clean_wiki_text
 from haystack.preprocessor.utils import convert_files_to_dicts, fetch_archive_from_http
 from haystack.reader.farm import FARMReader
@@ -146,7 +145,7 @@ dicts = convert_files_to_dicts(dir_path=doc_dir, clean_func=clean_wiki_text, spl
 document_store.write_documents(dicts)
 ```
 
-### Initalize Retriever, Reader,  & Finder
+### Initalize Retriever, Reader & Pipeline
 
 #### Retriever
 

docs/_src/tutorials/tutorials/8.md

@@ -190,8 +190,7 @@ preprocessor = PreProcessor(
     split_length=100,
     split_respect_sentence_boundary=True
 )
-nested_docs = [preprocessor.process(d) for d in all_docs]
-docs = [d for x in nested_docs for d in x]
+docs = preprocessor.process(all_docs)
 
 print(f"n_files_input: {len(all_docs)}\nn_docs_output: {len(docs)}")
 ```