Added poetry integration.

Description:
* Fixed github actions;
* Removed requirements.txt;
* Fixed CONTRIBUTING.md;
* Fixed black and flake8.

Signed-off-by: Pavel <win10@list.ru>

tests/test_exclude_include_dict/test_complex_relation_tree_performance.py

@@ -135,7 +135,7 @@ class Project(orm.Model):
     type: str = orm.String(max_length=10, default="cs")
     target_branch_name: str = orm.String(max_length=100, default="master")
     header: str = orm.String(max_length=250, default="")
-    jira_url: str = orm.String(max_length=500,)
+    jira_url: str = orm.String(max_length=500)
     changelog_file: str = orm.String(max_length=250, default="")
     version_file: str = orm.String(max_length=250, default="")
 

tests/test_exclude_include_dict/test_excludable_items.py

@@ -106,13 +106,7 @@ def compare_results_include(excludable):
 
 
 def test_excluding_fields_from_list():
-    fields = [
-        "gearbox_type",
-        "gears",
-        "aircon_type",
-        "year",
-        "manufacturer__founded",
-    ]
+    fields = ["gearbox_type", "gears", "aircon_type", "year", "manufacturer__founded"]
     excludable = ExcludableItems()
     excludable.build(items=fields, model_cls=Car, is_exclude=True)
     compare_results(excludable)
@@ -174,7 +168,7 @@ def test_nested_includes_from_dict():
     fields = {
         "id": ...,
         "name": ...,
-        "manufacturer": {"name": ..., "hq": {"name": ..., "nicks": {"name": ...}},},
+        "manufacturer": {"name": ..., "hq": {"name": ..., "nicks": {"name": ...}}},
     }
     excludable = ExcludableItems()
     excludable.build(items=fields, model_cls=Car, is_exclude=False)
@@ -185,7 +179,7 @@ def test_nested_includes_from_dict_with_set():
     fields = {
         "id": ...,
         "name": ...,
-        "manufacturer": {"name": ..., "hq": {"name": ..., "nicks": {"name"}},},
+        "manufacturer": {"name": ..., "hq": {"name": ..., "nicks": {"name"}}},
     }
     excludable = ExcludableItems()
     excludable.build(items=fields, model_cls=Car, is_exclude=False)

tests/test_exclude_include_dict/test_excluding_fields_in_fastapi.py

@@ -167,11 +167,7 @@ def test_excluding_fields_in_endpoints():
         assert created_user.pk is not None
         assert created_user.password is None
 
-        user2 = {
-            "email": "test@domain.com",
-            "first_name": "John",
-            "last_name": "Doe",
-        }
+        user2 = {"email": "test@domain.com", "first_name": "John", "last_name": "Doe"}
 
         response = client.post("/users/", json=user2)
         created_user = User(**response.json())