Remove Finder from tutorials (#1329)

tutorials/Tutorial1_Basic_QA_Pipeline.ipynb

@@ -228,7 +228,7 @@
     "#    'meta': {'name': \"<DOCUMENT_NAME_HERE>\", ...}\n",
     "#}\n",
     "# (Optionally: you can also add more key-value-pairs here, that will be indexed as fields in Elasticsearch and\n",
-    "# can be accessed later for filtering or shown in the responses of the Finder)\n",
+    "# can be accessed later for filtering or shown in the responses of the Pipeline)\n",
     "\n",
     "# Let's have a look at the first 3 entries:\n",
     "print(dicts[:3])\n",
@@ -241,7 +241,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Initalize Retriever, Reader,  & Finder\n",
+    "## Initalize Retriever, Reader,  & Pipeline\n",
     "\n",
     "### Retriever\n",
     "\n",
@@ -512,15 +512,6 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.7.6"
-  },
-  "pycharm": {
-   "stem_cell": {
-    "cell_type": "raw",
-    "source": [],
-    "metadata": {
-     "collapsed": false
-    }
-   }
   }
  },
  "nbformat": 4,

tutorials/Tutorial3_Basic_QA_Pipeline_without_Elasticsearch.ipynb

@@ -69,7 +69,6 @@
    },
    "outputs": [],
    "source": [
-    "from haystack import Finder\n",
     "from haystack.preprocessor.cleaning import clean_wiki_text\n",
     "from haystack.preprocessor.utils import convert_files_to_dicts, fetch_archive_from_http\n",
     "from haystack.reader.farm import FARMReader\n",
@@ -169,7 +168,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "## Initalize Retriever, Reader,  & Finder\n",
+    "## Initalize Retriever, Reader & Pipeline\n",
     "\n",
     "### Retriever\n",
     "\n",
@@ -443,15 +442,6 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.7.6"
-  },
-  "pycharm": {
-   "stem_cell": {
-    "cell_type": "raw",
-    "source": [],
-    "metadata": {
-     "collapsed": false
-    }
-   }
   }
  },
  "nbformat": 4,

tutorials/Tutorial3_Basic_QA_Pipeline_without_Elasticsearch.py

@@ -6,7 +6,6 @@
 #
 # If you are interested in more feature-rich Elasticsearch, then please refer to the Tutorial 1.
 
-from haystack import Finder
 from haystack.document_store.memory import InMemoryDocumentStore
 from haystack.document_store.sql import SQLDocumentStore
 from haystack.preprocessor.cleaning import clean_wiki_text
@@ -50,7 +49,7 @@ def tutorial3_basic_qa_pipeline_without_elasticsearch():
     document_store.write_documents(dicts)
 
 
-    # ## Initalize Retriever, Reader,  & Finder
+    # ## Initalize Retriever, Reader & Pipeline
     #
     # ### Retriever
     #

tutorials/Tutorial4_FAQ_style_QA.ipynb

@@ -77,7 +77,6 @@
    },
    "outputs": [],
    "source": [
-    "from haystack import Finder\n",
     "from haystack.document_store.elasticsearch import ElasticsearchDocumentStore\n",
     "\n",
     "from haystack.retriever.dense import EmbeddingRetriever\n",
@@ -317,15 +316,6 @@
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
    "version": "3.7.6"
-  },
-  "pycharm": {
-   "stem_cell": {
-    "cell_type": "raw",
-    "source": [],
-    "metadata": {
-     "collapsed": false
-    }
-   }
   }
  },
  "nbformat": 4,

tutorials/Tutorial4_FAQ_style_QA.py

@@ -1,4 +1,3 @@
-from haystack import Finder
 from haystack.document_store.elasticsearch import ElasticsearchDocumentStore
 
 from haystack.retriever.dense import EmbeddingRetriever

tutorials/Tutorial6_Better_Retrieval_via_DPR.ipynb

@@ -299,7 +299,6 @@
    },
    "outputs": [],
    "source": [
-    "from haystack import Finder\n",
     "from haystack.preprocessor.cleaning import clean_wiki_text\n",
     "from haystack.preprocessor.utils import convert_files_to_dicts, fetch_archive_from_http\n",
     "from haystack.reader.farm import FARMReader\n",
@@ -452,7 +451,7 @@
     "id": "wgjedxx_A6N6"
    },
    "source": [
-    "### Initalize Retriever, Reader,  & Finder\n",
+    "### Initalize Retriever, Reader & Pipeline\n",
     "\n",
     "#### Retriever\n",
     "\n",

tutorials/Tutorial6_Better_Retrieval_via_DPR.py

@@ -1,4 +1,3 @@
-from haystack import Finder
 from haystack.document_store import FAISSDocumentStore, MilvusDocumentStore
 from haystack.preprocessor.cleaning import clean_wiki_text
 from haystack.preprocessor.utils import convert_files_to_dicts, fetch_archive_from_http