⬆️ Update Pydantic to 0.21.0 (#90)

* ⬆️ Upgrade Pydantic and others (isort), update docs after changes by isort

* 🎨 Format with newest isort, update type hints in jsonable_encoder

* 🔧 Update test script, to avoid Pydantic type errors

* ⬆️ Update pyproject.toml with latest Pydantic

docs/src/application_configuration/tutorial002.py

@@ -1,8 +1,6 @@
 from fastapi import FastAPI
 
-app = FastAPI(
-    openapi_url="/api/v1/openapi.json"
-)
+app = FastAPI(openapi_url="/api/v1/openapi.json")
 
 
 @app.get("/items/")

docs/src/application_configuration/tutorial003.py

@@ -1,9 +1,6 @@
 from fastapi import FastAPI
 
-app = FastAPI(
-    docs_url="/documentation",
-    redoc_url=None,
-)
+app = FastAPI(docs_url="/documentation", redoc_url=None)
 
 
 @app.get("/items/")

docs/src/bigger_applications/app/main.py

@@ -1,7 +1,6 @@
 from fastapi import FastAPI
 
-from .routers import items
-from .routers import users
+from .routers import items, users
 
 app = FastAPI()