Fix imports and code cleanup.

Author: fabiocaccamo

benedict/utils/pydantic_util.py

@@ -3,25 +3,16 @@
 from benedict.extras import require_validate
 
 try:
-    from pydantic.v2 import BaseModel
-    from pydantic.v2.json import pydantic_encoder
+    from pydantic import BaseModel
 
     pydantic_installed = True
 except ImportError:
     pydantic_installed = False
     BaseModel = None
-    pydantic_encoder = None
 
 PydanticModel = type["BaseModel"]
 
 
-def is_pydantic_model(obj: Any) -> bool:
-    """
-    Check if an object is a Pydantic model.
-    """
-    return pydantic_installed and isinstance(obj, BaseModel)
-
-
 def is_pydantic_model_class(obj: Any) -> bool:
     """
     Check if an object is a Pydantic model class.

tests/dicts/io/test_io_dict_schema.py

@@ -1,20 +1,11 @@
 import json
 import unittest
 
-from benedict import benedict
-
-try:
-    from pydantic.v2 import BaseModel
-    from pydantic.v2.errors import ValidationError
+from pydantic import BaseModel, ValidationError
 
-    pydantic_installed = True
-except ImportError:
-    pydantic_installed = False
-    BaseModel = None
-    ValidationError = None
+from benedict import benedict
 
 
-@unittest.skipIf(not pydantic_installed, "pydantic not installed")
 class TestIODictSchema(unittest.TestCase):
     def setUp(self):
         class User(BaseModel):

tests/dicts/io/test_io_dict_validate.py

@@ -1,19 +1,10 @@
 import unittest
 
-from benedict.dicts.io import IODict
-
-try:
-    from pydantic.v2 import BaseModel
-    from pydantic.v2.errors import ValidationError
+from pydantic import BaseModel, ValidationError
 
-    pydantic_installed = True
-except ImportError:
-    pydantic_installed = False
-    BaseModel = None
-    ValidationError = None
+from benedict.dicts.io import IODict
 
 
-@unittest.skipIf(not pydantic_installed, "pydantic not installed")
 class TestIODictValidate(unittest.TestCase):
     def setUp(self):
         class User(BaseModel):