Bump dependencies (#874)

* fix pytest-asynio bump to 0.19

* bump mypy

* fix coverage of async fixtures

tests/test_queries/test_aggr_functions.py

@@ -2,6 +2,7 @@ from typing import Optional
 
 import databases
 import pytest
+import pytest_asyncio
 import sqlalchemy
 
 import ormar
@@ -47,7 +48,7 @@ def create_test_database():
     metadata.drop_all(engine)
 
 
-@pytest.fixture(autouse=True, scope="function")
+@pytest_asyncio.fixture(autouse=True, scope="function")
 async def cleanup():
     yield
     async with database:

tests/test_queries/test_queryproxy_on_m2m_models.py

@@ -67,15 +67,8 @@ class Post(ormar.Model):
     author: Optional[Author] = ormar.ForeignKey(Author)
 
 
-@pytest.fixture(scope="module")
-def event_loop():
-    loop = asyncio.get_event_loop()
-    yield loop
-    loop.close()
-
-
 @pytest.fixture(autouse=True, scope="module")
-async def create_test_database():
+def create_test_database():
     engine = sqlalchemy.create_engine(DATABASE_URL)
     metadata.create_all(engine)
     yield

tests/test_queries/test_selecting_subset_of_columns.py

@@ -5,6 +5,7 @@ from typing import Optional, List
 import databases
 import pydantic
 import pytest
+import pytest_asyncio
 import sqlalchemy
 
 import ormar
@@ -86,7 +87,7 @@ def event_loop():
     loop.close()
 
 
-@pytest.fixture(autouse=True, scope="module")
+@pytest_asyncio.fixture(autouse=True, scope="module")
 async def sample_data(event_loop, create_test_database):
     async with database:
         nick1 = await NickNames.objects.create(name="Nippon", is_lame=False)

tests/test_queries/test_values_and_values_list.py

@@ -3,6 +3,7 @@ from typing import List, Optional
 
 import databases
 import pytest
+import pytest_asyncio
 import sqlalchemy
 
 import ormar
@@ -69,7 +70,7 @@ def event_loop():
     loop.close()
 
 
-@pytest.fixture(autouse=True, scope="module")
+@pytest_asyncio.fixture(autouse=True, scope="module")
 async def sample_data(event_loop, create_test_database):
     async with database:
         creator = await User(name="Anonymous").save()