flake8-annotation linting

Added some new annotations; need to finish more.

3 files changed, 4 insertions, 4 deletions

diff --git a/tests/test_djvu_parse.py b/tests/test_djvu_parse.py
index 1f23de2..777f8bf 100644
--- a/tests/test_djvu_parse.py
+++ b/tests/test_djvu_parse.py
@@ -2,7 +2,7 @@ import io
 from fatcat_scholar.djvu import djvu_extract_leaf_texts
 
 
-def test_djvu_extract_leaf_texts():
+def test_djvu_extract_leaf_texts() -> None:
 
     # https://archive.org/details/ERIC_ED441501
     with open("tests/files/ERIC_ED441501_djvu.xml", "r") as f:
diff --git a/tests/test_scrub.py b/tests/test_scrub.py
index 692ed64..2cd68cc 100644
--- a/tests/test_scrub.py
+++ b/tests/test_scrub.py
@@ -1,7 +1,7 @@
 from fatcat_scholar.schema import *
 
 
-def test_scrub():
+def test_scrub() -> None:
     vectors = [
         (
             "“Please clean this piece… of text</b>„",
diff --git a/tests/test_transform.py b/tests/test_transform.py
index 21efa51..e073591 100644
--- a/tests/test_transform.py
+++ b/tests/test_transform.py
@@ -4,7 +4,7 @@ from fatcat_scholar.schema import *
 from fatcat_scholar.api_entities import *
 
 
-def test_es_release_from_release():
+def test_es_release_from_release() -> None:
 
     with open("tests/files/release_hsmo6p4smrganpb3fndaj2lon4.json", "r") as f:
         release = entity_from_json(f.read(), ReleaseEntity)
@@ -17,7 +17,7 @@ def test_es_release_from_release():
     assert obj.doi_prefix == "10.7717"
 
 
-def test_es_biblio_from_release():
+def test_es_biblio_from_release() -> None:
 
     with open("tests/files/release_hsmo6p4smrganpb3fndaj2lon4.json", "r") as f:
         release = entity_from_json(f.read(), ReleaseEntity)