Made response an object with keywords property (#14)

This makes it easier to use with the Web API.

spacy_keyword_extraction_api/api_router.py

@@ -1,5 +1,6 @@
 import logging
 from typing import Sequence
+from typing_extensions import TypedDict
 
 from fastapi import APIRouter
 
@@ -9,11 +10,17 @@
 LOGGER = logging.getLogger(__name__)
 
 
+class KeywordsResponseTypedDict(TypedDict):
+    keywords: Sequence[str]
+
+
 def create_api_router(keyword_extractor: KeywordExtractor) -> APIRouter:
     router = APIRouter()
 
     @router.get("/v1/extract-keywords")
-    def extract_keywords(text: str) -> Sequence[str]:
-        return list(keyword_extractor.iter_extract_keywords(text_list=[text]))[0]
+    def extract_keywords(text: str) -> KeywordsResponseTypedDict:
+        return {
+            'keywords': list(keyword_extractor.iter_extract_keywords(text_list=[text]))[0]
+        }
 
     return router

tests/unit_test/api_router_test.py

@@ -16,4 +16,6 @@ class TestExtractKeyword:
     def test_should_return_keywords_in_lower_case(self):
         client = create_test_client()
         response = client.get('/v1/extract-keywords', params={'text': 'Some Text'})
-        assert response.json() == ['some', 'text']
+        assert response.json() == {
+            'keywords': ['some', 'text']
+        }