⬆ Require Pydantic > 1.0 (#1862)

* 🔥 Remove support for Pydantic < 1.0

* 🔥 Remove deprecated skip_defaults from jsonable_encoder and set default for exclude to None, as in Pydantic

* ♻️ Set default of response_model_exclude=None as in Pydantic

* ⬆️ Require Pydantic >=1.0.0 in requirements

tests/test_jsonable_encoder.py

@@ -5,13 +5,7 @@ from typing import Optional
 
 import pytest
 from fastapi.encoders import jsonable_encoder
-from pydantic import BaseModel, ValidationError, create_model
-
-try:
-    from pydantic import Field
-except ImportError:  # pragma: nocover
-    # TODO: remove when removing support for Pydantic < 1.0.0
-    from pydantic import Schema as Field
+from pydantic import BaseModel, Field, ValidationError, create_model
 
 
 class Person: